APA aipamena

Kregel, J. (1972). Theory of economic growth. Macmillan.

Chicago Style aipamena

Kregel, Ja. Theory of Economic Growth. Macmillan, 1972.

MLA aipamena

Kregel, Ja. Theory of Economic Growth. Macmillan, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.