APA Alıntı

Grigg, D. B. (1974). Agricultural systems of the world: An evolutionary approach. Cambridge University Press.

Chicago Stili Alıntı

Grigg, D B. Agricultural Systems of the World: An Evolutionary Approach. Cambridge: Cambridge University Press, 1974.

MLA Alıntı

Grigg, D B. Agricultural Systems of the World: An Evolutionary Approach. Cambridge University Press, 1974.