Verzola, E. A. (1982). Pests and diseases of potatoes in field and storage.
Lua i Stíl Chicago (17ú heag.)Verzola, Elizabeth A. Pests and Diseases of Potatoes in Field and Storage. 1982.
Lua MLA (9ú heag.)Verzola, Elizabeth A. Pests and Diseases of Potatoes in Field and Storage. 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.