Gaya APA

Holt, M, J., POYNOR, P, J. (2020). AIR CARRIER OPERATIONS THIRD EDITION . New York, USA: Aviation Supplies and Academics, Inc..

Gaya MLA

Holt, Mark, J.., POYNOR, PHILLIP, J.. "AIR CARRIER OPERATIONS THIRD EDITION". New York, USA: Aviation Supplies and Academics, Inc., 2020. Text.