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.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.