O'Connor, C. (1993). Traditional chessemaking manual. International Livestock Centre for Africa.
Chicagoスタイル(17版)引用形式O'Connor, Charles. Traditional Chessemaking Manual. Addis Ababa, Ethiopia: International Livestock Centre for Africa, 1993.
MLA(9版)引用形式O'Connor, Charles. Traditional Chessemaking Manual. International Livestock Centre for Africa, 1993.
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