Παραπομπή σε μορφή APA (7η εκδ.)

Schumacher - Gröhn, J., & Stiehr, K. (1996). Retirement in the 1990s and beyond: Partial retirement models as instruments for adapting people's working lives to changing demographic conditions. Institut für Soziale Infrastruktur.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schumacher - Gröhn, Jürgen, και Karin Stiehr. Retirement in the 1990s and Beyond: Partial Retirement Models as Instruments for Adapting People's Working Lives to Changing Demographic Conditions. Frankfurt: Institut für Soziale Infrastruktur, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Schumacher - Gröhn, Jürgen, και Karin Stiehr. Retirement in the 1990s and Beyond: Partial Retirement Models as Instruments for Adapting People's Working Lives to Changing Demographic Conditions. Institut für Soziale Infrastruktur, 1996.