Não informado. (1975). Agricultural Libraries Information Notes. Technical Information Systems, National Agricultural Library.
Chicagoスタイル(17版)引用形式Não informado. Agricultural Libraries Information Notes. Beltsville, Md: Technical Information Systems, National Agricultural Library, 1975.
MLA(8版)引用形式Não informado. Agricultural Libraries Information Notes. Technical Information Systems, National Agricultural Library, 1975.
警告: この引用は必ずしも正確ではありません.