Παραπομπή σε μορφή APA (7η εκδ.)

Kohli, M. (1991). Time for retirement: Comparative studies OF early exit from the labor force. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kohli, Martin. Time for Retirement: Comparative Studies OF Early Exit from the Labor Force. Cambridge: Cambridge University Press, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kohli, Martin. Time for Retirement: Comparative Studies OF Early Exit from the Labor Force. Cambridge University Press, 1991.