Não informado. (1967). Farm Building News. American Farm Building Services.
Chicagoスタイル(17版)引用形式Não informado. Farm Building News. Iola, Wis: American Farm Building Services, 1967.
MLA(8版)引用形式Não informado. Farm Building News. American Farm Building Services, 1967.
警告: この引用は必ずしも正確ではありません.