Não informado. (1932). Pig Breeders Gazette. National Pig Breeders Association.
Chicagoスタイル(17版)引用形式Não informado. Pig Breeders Gazette. London: National Pig Breeders Association, 1932.
MLA(8版)引用形式Não informado. Pig Breeders Gazette. National Pig Breeders Association, 1932.
警告: この引用は必ずしも正確ではありません.