Dyfyniad APA

Barnard, C. (1979). Farm planning and control (2nd.ed.). Cambridge Univ..

Dyfyniad Arddull Chicago

Barnard, C.S. Farm Planning and Control. 2nd.ed. Cambridge: Cambridge Univ., 1979.

Dyfyniad MLA

Barnard, C.S. Farm Planning and Control. 2nd.ed. Cambridge Univ., 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.