Gaya APA

Aviation], C, O, A, [, O. (2013). PPL Book 7. Radiotelephony, 2nd edition (E-book) (2 volume 7). : CAE Oxford Aviation Academy.

Gaya MLA

Aviation], CAE, Oxford, Aviation, [CAE, Oxford. "PPL Book 7. Radiotelephony, 2nd edition (E-book)". 2 volume 7 : CAE Oxford Aviation Academy, 2013. Text.