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.
Chicago Style (17th ed.) CitationBridle, Celia, C. Prior, and 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.
MLA (9th ed.) CitationBridle, 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.