Gaya APA

Inc, A, S, &, A. (2017). Ground school : all the aeronautical knowledge required to pass the FAA exams and operation as a private and commercial pilot, vol. 2 (Ed. 4). New Castle:  Aviation Supplies & Academics Inc.

Gaya MLA

Inc, Aviation, Supplies, &, Academics. "Ground school : all the aeronautical knowledge required to pass the FAA exams and operation as a private and commercial pilot, vol. 2". Ed. 4 New Castle:  Aviation Supplies & Academics Inc, 2017. Text.