Não informado. (1998). Cotton world statistics. International Cotton Advisory Committee.
Chicagoスタイル(17版)引用形式Não informado. Cotton World Statistics. Washington: International Cotton Advisory Committee, 1998.
MLA(8版)引用形式Não informado. Cotton World Statistics. International Cotton Advisory Committee, 1998.
警告: この引用は必ずしも正確ではありません.