APA (7 ম সংস্করণ) উদ্ধৃতি

Pepper, I. (1997). From the Aesthetics of Indifference to Negative Aesthetics: John Cage and Germany 1958-1972. October.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Pepper, Ian. "From the Aesthetics of Indifference to Negative Aesthetics: John Cage and Germany 1958-1972." October 1997.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Pepper, Ian. "From the Aesthetics of Indifference to Negative Aesthetics: John Cage and Germany 1958-1972." October, 1997.