Παραπομπή APA

Evans,L T. (1993). Crop evolution ,adaptation and yield. Cambridge University Press.

Παραπομπή Chicago Style

Evans,L T. Crop Evolution ,adaptation and Yield. New York: Cambridge University Press, 1993.

Παραπομπή MLA

Evans,L T. Crop Evolution ,adaptation and Yield. Cambridge University Press, 1993.