APA (7e ed.) Bronvermelding

Não informado. (2021). Annual Bulletin of Transport Statistics for Europe and North America. United Nations.

Chicago (17e ed.) Bronvermelding

Não informado. Annual Bulletin of Transport Statistics for Europe and North America. New York: United Nations, 2021.

MLA (8e ed.) Bronvermelding

Não informado. Annual Bulletin of Transport Statistics for Europe and North America. United Nations, 2021.

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