Não informado. (1959). Agricultural Aviation. European Agricultural Aviation Center.
Chicagoスタイル(17版)引用形式Não informado. Agricultural Aviation. The Hague, Holanda: European Agricultural Aviation Center, 1959.
MLA(8版)引用形式Não informado. Agricultural Aviation. European Agricultural Aviation Center, 1959.
警告: この引用は必ずしも正確ではありません.