Sinclair, U., & Barrett, J. R. (1980). The jungle. University of Illinois Press, New American Library.
Chicago Style aipamenaSinclair, Upton, and James R. Barrett. The Jungle. Urbana : New York: University of Illinois Press, New American Library, 1980.
MLA aipamenaSinclair, Upton, and James R. Barrett. The Jungle. University of Illinois Press, New American Library, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.