Dyfyniad APA

Horsfall, J. (1977). Plant disease: An advanced treatise. Academic Press.

Dyfyniad Arddull Chicago

Horsfall, James. Plant Disease: An Advanced Treatise. New York: Academic Press, 1977.

Dyfyniad MLA

Horsfall, James. Plant Disease: An Advanced Treatise. Academic Press, 1977.

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