APA aipamena

Copi,Irving M. (1982). Introduction to logic. Macmillan Publishing Co.Inc.

Chicago Style aipamena

Copi,Irving M. Introduction to Logic. New York: Macmillan Publishing Co.Inc, 1982.

MLA aipamena

Copi,Irving M. Introduction to Logic. Macmillan Publishing Co.Inc, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.