Παραπομπή APA

Hall Robert. (1991). Compendium of bean diseases. American phytopathological society.

Παραπομπή Chicago Style

Hall Robert. Compendium of Bean Diseases. United States: American phytopathological society, 1991.

Παραπομπή MLA

Hall Robert. Compendium of Bean Diseases. American phytopathological society, 1991.