SH#" (# being a number) at the end of the matix number along with "SLM" and "△ 2193" together indicate that both the metal Mother Disc AND the metal Stampers used to press the A Side were made at Sheffield Lab Matrix. Three Pieces: "Official Independent Albums Chart Top 50". Official Charts Company. 9 November 2018 . Retrieved 7 December 2021. Matrix / Runout (A side runout. Variant 6): STUMM-7-A-1 MT-4 JA TAPE ONE ADDITIONAL PROGRAMING D.A.D. The Top 100 Albums of the Decade". Record Mirror. London, England: United Newspapers. 25 November 1989. pp.28–29.

Situation '99": "Official Independent Singles Chart Top 50". Official Charts Company. 7 November 1999 . Retrieved 7 December 2021. Volvic, Mitja (12 January 1985). "Pervasive Economic Slump Hits Yugoslav Industry Hard". Billboard. Vol.97, no.2. p.57. ISSN 0006-2510– via Google Books.

Pennanen, Timo (2006). Sisältää hitin – levyt ja esittäjät Suomen musiikkilistoilla vuodesta 1972 (in Finnish) (1sted.). Helsinki: Kustannusosakeyhtiö Otava. ISBN 978-951-1-21053-5. Considine, J. D. (28 October 1982). "Yaz: Upstairs at Eric's". Rolling Stone. No.381. Archived from the original on 11 June 2008 . Retrieved 7 January 2012. I'd just shot some furniture for a furniture designer, and got paid with the furniture. I chose dummies and started work—a fortuitous series of events. I felt that the hi-tech furniture worked really well with the rough look of the room, and I put the cake—which was actually the top of my wedding cake—as a focus on the table." [6]

From 1980 to 1989: Lazell, Barry (1997). "Yazoo". Indie Hits 1980–1989: The Complete U.K. Independent Charts (Singles & Albums). Cherry Red Books. ISBN 0-9517206-9-4. Archived from the original on 14 May 2008 . Retrieved 2 August 2022.Larkin, Colin (2011). The Encyclopedia of Popular Music (5th conciseed.). Omnibus Press. ISBN 978-0-85712-595-8.