APA aipamena

Spiegel, H. W. (1971). Growth of economic thought. Prentice-Hall of India.

Chicago Style aipamena

Spiegel, Henry William. Growth of Economic Thought. New Jersey: Prentice-Hall of India, 1971.

MLA aipamena

Spiegel, Henry William. Growth of Economic Thought. Prentice-Hall of India, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.