APA ציטוט

Watkins,G M. (1981). Compendium of cotton diseases. The American phytopathological society.

Chicago Edition Citation

Watkins,G M. Compendium of Cotton Diseases. The American phytopathological society, 1981.

ציטוט MLA

Watkins,G M. Compendium of Cotton Diseases. The American phytopathological society, 1981.