APA (7th ed.) Zitazioa

Marshall, A. (1964). Principles of economics (8a. ed.). MacMillan.

Chicago Style (17th ed.) Zitazioa

Marshall, Alfred. Principles of Economics. 8a. ed. Londres: MacMillan, 1964.

MLA (9th ed.) Zitazioa

Marshall, Alfred. Principles of Economics. 8a. ed. MacMillan, 1964.