Não informado. (1930). Philippine Journal of Agriculture. Bureau of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Philippine Journal of Agriculture. Manila: Bureau of Agriculture, 1930.
MLA(8版)引用形式Não informado. Philippine Journal of Agriculture. Bureau of Agriculture, 1930.
警告: この引用は必ずしも正確ではありません.