APA (7th ed.) Zitazioa

FERGUSON, C. (1965). Principles of economics (2nd ed.). Oxford & IBH Publishing.

Chicago Style (17th ed.) Zitazioa

FERGUSON, C.E. Principles of Economics. 2nd ed. Calcutta: Oxford & IBH Publishing, 1965.

MLA (9th ed.) Zitazioa

FERGUSON, C.E. Principles of Economics. 2nd ed. Oxford & IBH Publishing, 1965.