Não informado. (1956). Journal of the American Helicopter Society. American Helicopter Society.
Chicagoスタイル(17版)引用形式Não informado. Journal of the American Helicopter Society. Washington: American Helicopter Society, 1956.
MLA(8版)引用形式Não informado. Journal of the American Helicopter Society. American Helicopter Society, 1956.
警告: この引用は必ずしも正確ではありません.