APA (7e ed.) Bronvermelding

Não informado. (1990). ICAO Journal. International Civil Aviation Organization.

Chicago (17e ed.) Bronvermelding

Não informado. ICAO Journal. Montreal, Canada: International Civil Aviation Organization, 1990.

MLA (8e ed.) Bronvermelding

Não informado. ICAO Journal. International Civil Aviation Organization, 1990.

Let op: Deze citaties zijn niet altijd 100% accuraat.