Organization, I. C. A. (1984). Air traffic services planning manual. Montreal : ICAO.
Citazione stile Chigago Style (17a edizione)Organization, International Civil Aviation. Air Traffic Services Planning Manual. Montreal : ICAO, 1984.
Citatione MLA (9a ed.)Organization, International Civil Aviation. Air Traffic Services Planning Manual. Montreal : ICAO, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.