Dyfyniad APA

D. Mclntypre Beverly, R. Herren Hans, Wakhungu Judi, & T. Watson Robert. (2009). Agriculture at a Crossroads: The Global Report. U.S.A: MC Graw Hill.

Dyfyniad Arddull Chicago

D. Mclntypre Beverly, R. Herren Hans, Wakhungu Judi, và T. Watson Robert. Agriculture At a Crossroads: The Global Report. U.S.A: MC Graw Hill, 2009.

Dyfyniad MLA

D. Mclntypre Beverly, R. Herren Hans, Wakhungu Judi, và T. Watson Robert. Agriculture At a Crossroads: The Global Report. U.S.A: MC Graw Hill, 2009.

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