O'Connor, C. (1993). Traditional chessemaking manual. International Livestock Centre for Africa.
Lua i Stíl Chicago (17ú heag.)O'Connor, Charles. Traditional Chessemaking Manual. Addis Ababa, Ethiopia: International Livestock Centre for Africa, 1993.
Lua MLA (9ú heag.)O'Connor, Charles. Traditional Chessemaking Manual. International Livestock Centre for Africa, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.