APA (7e ed.) Bronvermelding

qayum, a. (1964). an extension of black's optimum savings model. the institute of national planning.

Chicago (17e ed.) Bronvermelding

qayum, a. An Extension of Black's Optimum Savings Model. cairo: the institute of national planning, 1964.

MLA (9e ed.) Bronvermelding

qayum, a. An Extension of Black's Optimum Savings Model. the institute of national planning, 1964.

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