APA aipamena

Ryan, J. A. (1928). International Ethics: A report of the ethics committee. Washington, D.C..

Chicago Style aipamena

Ryan, John A. International Ethics: A Report of the Ethics Committee. Washington, D.C., 1928.

MLA aipamena

Ryan, John A. International Ethics: A Report of the Ethics Committee. Washington, D.C., 1928.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.