Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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