APA (7e ed.) Bronvermelding

Thad Dunning. (2012). Natural Experiments in the Social Sciences (1.). Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Thad Dunning. Natural Experiments in the Social Sciences. 1. Cambridge University Press, 2012.

MLA (8e ed.) Bronvermelding

Thad Dunning. Natural Experiments in the Social Sciences. 1. Cambridge University Press, 2012.

Let op: Deze citaties zijn niet altijd 100% accuraat.