APA (7e ed.) Bronvermelding
ebrary, Inc, Ennals, J. R., & Salomon, R. H. (2011). Older workers in a sustainable society. Peter Lang.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, J. R. Ennals, en Robert H. Salomon. Older Workers in a Sustainable Society. Frankfurt am Main ; New York: Peter Lang, 2011.
MLA (9e ed.) Bronvermelding
ebrary, Inc, et al. Older Workers in a Sustainable Society. Peter Lang, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.