Organization, 4. I. C. A. (1981). Manual on the ICAO bird Strike Information System (IBIS). Montreal : International Civil Aviation Organization.
Citazione stile Chigago Style (17a edizione)Organization, 4490 International Civil Aviation. Manual on the ICAO Bird Strike Information System (IBIS). Montreal : International Civil Aviation Organization, 1981.
Citatione MLA (9a ed.)Organization, 4490 International Civil Aviation. Manual on the ICAO Bird Strike Information System (IBIS). Montreal : International Civil Aviation Organization, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.