Dyfyniad APA

(1987). Gene banks and thr world's food. New Jersey: Princeton Univ.

Dyfyniad Arddull Chicago

Gene Banks and Thr World's Food. New Jersey: Princeton Univ, 1987.

Dyfyniad MLA

Gene Banks and Thr World's Food. New Jersey: Princeton Univ, 1987.

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