Não informado. (1978). Agricultural Reviews and Manuals. Science and Education Administration.
Chicagoスタイル(17版)引用形式Não informado. Agricultural Reviews and Manuals. Berkeley, Calif: Science and Education Administration, 1978.
MLA(8版)引用形式Não informado. Agricultural Reviews and Manuals. Science and Education Administration, 1978.
警告: この引用は必ずしも正確ではありません.