Gaya APA

Bailey, N. (2008). The helicopter pilot's manual volume 1 Principles of flight and helicopter handling (Ed. 2). Wiltshire: The Crowood Press Ltd.

Gaya MLA

Bailey, Norman. "The helicopter pilot's manual volume 1 Principles of flight and helicopter handling". Ed. 2 Wiltshire: The Crowood Press Ltd, 2008. Text.