APA

Illman P. E., Gailey G. E., .The pilot's radio communications handbook. : .

Chicago

Illman Paul E, Gailey Gene E, .The pilot's radio communications handbook. : .

Harvard

Illman P. E., Gailey G. E., .The pilot's radio communications handbook. : .

MLA

Illman Paul E, Gailey Gene E, .: . .