Não informado. (1973). Seed science and technology. International Seed Testing Association.
Chicagoスタイル(17版)引用形式Não informado. Seed Science and Technology. Zurich, Suíça: International Seed Testing Association, 1973.
MLA(8版)引用形式Não informado. Seed Science and Technology. International Seed Testing Association, 1973.
警告: この引用は必ずしも正確ではありません.