Piper, A., & Rifkin, N. (1991). Adrian Piper: "what it's like, what it is #2" : June 19-September 22, 1991. Hirshhorn Museum and Sculpture Garden, Smithsonian Institution.
Chicago-referens (17:e uppl.)Piper, Adrian, och Ned Rifkin. Adrian Piper: "What It's like, What It Is #2" : June 19-September 22, 1991. [Washington, D.C.]: Hirshhorn Museum and Sculpture Garden, Smithsonian Institution, 1991.
MLA-referens (8:e uppl.)Piper, Adrian, och Ned Rifkin. Adrian Piper: "What It's like, What It Is #2" : June 19-September 22, 1991. Hirshhorn Museum and Sculpture Garden, Smithsonian Institution, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.