Bridle, C., Prior, C., & Cocoa Industry Board of Papua New Guinea. (1985). Black pod, canker and seedling blight diseases of cocoa = sik nogut bilong ol i kolim blak pod, kenka na sidling blait = huahua (Podi) krema, toto (canker) bona tubu matamata au ena gorere: An illustrated guide for growers. Cocoa Industry Board of Papua New Guinea.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Bridle, Celia, C. Prior, và Cocoa Industry Board of Papua New Guinea. Black Pod, Canker and Seedling Blight Diseases of Cocoa = Sik Nogut Bilong Ol I Kolim Blak Pod, Kenka Na Sidling Blait = Huahua (Podi) Krema, Toto (canker) Bona Tubu Matamata Au Ena Gorere: An Illustrated Guide for Growers. [Port Moresby]: Cocoa Industry Board of Papua New Guinea, 1985.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Bridle, Celia, et al. Black Pod, Canker and Seedling Blight Diseases of Cocoa = Sik Nogut Bilong Ol I Kolim Blak Pod, Kenka Na Sidling Blait = Huahua (Podi) Krema, Toto (canker) Bona Tubu Matamata Au Ena Gorere: An Illustrated Guide for Growers. Cocoa Industry Board of Papua New Guinea, 1985.