SPECHLER, M. (1990). Perspectives in Economic thought. Mc.Graw Hill.
Chicago Style aipamenaSPECHLER, Martin. Perspectives in Economic Thought. Mc.Graw Hill, 1990.
MLA aipamenaSPECHLER, Martin. Perspectives in Economic Thought. Mc.Graw Hill, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.