Dyfyniad APA

Maramorosch, K. (1992). Plant diseases of viral , viroid, mycoplasma and uncertain etiology. Oxford I B H publishing company.

Dyfyniad Arddull Chicago

Maramorosch, K. Plant Diseases of Viral , Viroid, Mycoplasma and Uncertain Etiology. New Delhi: Oxford I B H publishing company, 1992.

Dyfyniad MLA

Maramorosch, K. Plant Diseases of Viral , Viroid, Mycoplasma and Uncertain Etiology. Oxford I B H publishing company, 1992.

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