Dyfyniad APA

(2012).  Seeds of sustainablility: Lessons from the birthplace of the Green Revolution.  Island Press.

Dyfyniad Arddull Chicago

 Seeds of Sustainablility: Lessons From the Birthplace of the Green Revolution.  Island Press, 2012.

Dyfyniad MLA

 Seeds of Sustainablility: Lessons From the Birthplace of the Green Revolution.  Island Press, 2012.

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