Não informado. (1956). Journal of the American Helicopter Society. American Helicopter Society.
Cita Chicago Style (17a ed.)Não informado. Journal of the American Helicopter Society. Washington: American Helicopter Society, 1956.
Cita MLA (8a ed.)Não informado. Journal of the American Helicopter Society. American Helicopter Society, 1956.
Precaución: Estas citas no son 100% exactas.