APA (7th ed.) Zitazioa

VAUGHAN, G. D. (1974). An introduction to applied economics. Heinemann.

Chicago Style (17th ed.) Zitazioa

VAUGHAN, G. Douglas. An Introduction to Applied Economics. London: Heinemann, 1974.

MLA (9th ed.) Zitazioa

VAUGHAN, G. Douglas. An Introduction to Applied Economics. Heinemann, 1974.