APA (7e ed.) Bronvermelding

Não informado. (1970). Library Information. International Civil Aviation Organization.

Chicago (17e ed.) Bronvermelding

Não informado. Library Information. Montreal, Canada: International Civil Aviation Organization, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Library Information. International Civil Aviation Organization, 1970.

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