Styl cytowania APA

Barnard, C. S., & NIX, J. S. (1979). Farm planning and control (2.). Cambridge University Press.

Styl cytowania Chicago

Barnard, C S., i J S. NIX. Farm Planning and Control. 2. Cambridge: Cambridge University Press, 1979.

Styl cytowania MLA

Barnard, C S., i J S. NIX. Farm Planning and Control. 2. Cambridge University Press, 1979.