O'Connor, C. (1993). Traditional chessemaking manual. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)O'Connor, Charles. Traditional Chessemaking Manual. Addis Ababa, Ethiopia: International Livestock Centre for Africa, 1993.
Cita MLA (9a ed.)O'Connor, Charles. Traditional Chessemaking Manual. International Livestock Centre for Africa, 1993.
Precaución: Estas citas no son 100% exactas.