Dyfyniad APA

Agrios George, N. (1997). Plant pathology (4th ed.). Academic Press.

Dyfyniad Arddull Chicago

Agrios George, N. Plant Pathology. 4th ed. San-Diego: Academic Press, 1997.

Dyfyniad MLA

Agrios George, N. Plant Pathology. 4th ed. Academic Press, 1997.

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