APA (7th ed.) Zitazioa

SILVERMAN, H. (1965). Substance of economics: For the student and the general reader. Pitman & Sons.

Chicago Style (17th ed.) Zitazioa

SILVERMAN, H.A. Substance of Economics: For the Student and the General Reader. London: Pitman & Sons, 1965.

MLA (9th ed.) Zitazioa

SILVERMAN, H.A. Substance of Economics: For the Student and the General Reader. Pitman & Sons, 1965.