APA (7e ed.) Bronvermelding

Polachek, S. W., & Siebert, W. S. (1993). The economics of earnings. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Polachek, S. W., en W. S. Siebert. The Economics of Earnings. Cambridge ; New York: Cambridge University Press, 1993.

MLA (8e ed.) Bronvermelding

Polachek, S. W., en W. S. Siebert. The Economics of Earnings. Cambridge University Press, 1993.