Παραπομπή σε μορφή APA (7η εκδ.)

Heisig, J. P. (2015). Late-career Risks in Changing Welfare States: Comparing Germany and the United States since the 1980s. Amsterdam University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Heisig, Jan Paul. Late-career Risks in Changing Welfare States: Comparing Germany and the United States Since the 1980s. Amsterdam: Amsterdam University Press, 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Heisig, Jan Paul. Late-career Risks in Changing Welfare States: Comparing Germany and the United States Since the 1980s. Amsterdam University Press, 2015.