(1979). Cocoa. Japan External Trade Organization.
Lua i Stíl Chicago (17ú heag.)Cocoa. Tokyo, Japan: Japan External Trade Organization, 1979.
Lua MLA (9ú heag.)Cocoa. Japan External Trade Organization, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.