Büttner, W., Cortez, D. J., & Hansen, N. (1988). Gilbert & George: The 1988 pictures / Werner Büttner, Diego Cortez; Jahn, Wolf; Rosenthal, Norman; Salzinger, Helmut; Nikolaus Hansen <dt.> [Übers.]; Gilbert & George. Ascan Crone.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBüttner, Werner, Diego; Jahn Cortez, और Nikolaus Hansen. Gilbert & George: The 1988 Pictures / Werner Büttner, Diego Cortez; Jahn, Wolf; Rosenthal, Norman; Salzinger, Helmut; Nikolaus Hansen <dt.> [Übers.]; Gilbert & George. Hamburg: Ascan Crone, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBüttner, Werner, et al. Gilbert & George: The 1988 Pictures / Werner Büttner, Diego Cortez; Jahn, Wolf; Rosenthal, Norman; Salzinger, Helmut; Nikolaus Hansen <dt.> [Übers.]; Gilbert & George. Ascan Crone, 1988.
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