APA aipamena

SPECHLER, M. (1990). Perspectives Economic Thought. McGraw-Hill.

Chicago Style aipamena

SPECHLER, Martin. Perspectives Economic Thought. McGraw-Hill, 1990.

MLA aipamena

SPECHLER, Martin. Perspectives Economic Thought. McGraw-Hill, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.