APA (7e ed.) Bronvermelding

Kreps, J. M. (1971). Lifetime allocation of work and income: Essays in the economics of aging. Duke University Press.

Chicago (17e ed.) Bronvermelding

Kreps, Juanita Morris. Lifetime Allocation of Work and Income: Essays in the Economics of Aging. Durham, N.C: Duke University Press, 1971.

MLA (9e ed.) Bronvermelding

Kreps, Juanita Morris. Lifetime Allocation of Work and Income: Essays in the Economics of Aging. Duke University Press, 1971.