Malthus, T., & Pullen, J. (1989). Principles of Political Economy. Cambridge University Press.
Style de citation ChicagoMalthus, T.R, et John Pullen. Principles of Political Economy. Cambridge: Cambridge University Press, 1989.
Style de citation MLAMalthus, T.R, et John Pullen. Principles of Political Economy. Cambridge University Press, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.