Organization, I. C. A. (1984). Air traffic services planning manual. Montreal : ICAO.
Cita Chicago (17th ed.)Organization, International Civil Aviation. Air Traffic Services Planning Manual. Montreal : ICAO, 1984.
Cita MLA (9th ed.)Organization, International Civil Aviation. Air Traffic Services Planning Manual. Montreal : ICAO, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.