APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.