Forstbauer, N. B. (1991). Robert Gober: Hanging Man - Sleeping Man. Zyma.
Cita Chicago (17th ed.)Forstbauer, Nikolai B. "Robert Gober: Hanging Man - Sleeping Man." Zyma 1991.
Cita MLA (8th ed.)Forstbauer, Nikolai B. "Robert Gober: Hanging Man - Sleeping Man." Zyma, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.