Dyfyniad APA

Plucknett, D. L. (1987). Gene banks and the world's food. Princeton University Press.

Dyfyniad Arddull Chicago

Plucknett, Donald L. Gene Banks and the World's Food. Princeton, N.J: Princeton University Press, 1987.

Dyfyniad MLA

Plucknett, Donald L. Gene Banks and the World's Food. Princeton University Press, 1987.

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