APA (7e ed.) Bronvermelding

Eizenga, W. (1961). Demographic factors and savings. North-Holland.

Chicago (17e ed.) Bronvermelding

Eizenga, W. Demographic Factors and Savings. Amsterdam: North-Holland, 1961.

MLA (8e ed.) Bronvermelding

Eizenga, W. Demographic Factors and Savings. North-Holland, 1961.