Não informado. (2002). Sheep & goat research journal. National Institute for Animal Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Sheep & Goat Research Journal. Englewood, Colo: National Institute for Animal Agriculture, 2002.
MLA(8版)引用形式Não informado. Sheep & Goat Research Journal. National Institute for Animal Agriculture, 2002.
警告: この引用は必ずしも正確ではありません.