APA (7e ed.) Bronvermelding

Não informado. (2004). Transportation research circular. National Research Council, Transportation Research Board.

Chicago (17e ed.) Bronvermelding

Não informado. Transportation Research Circular. Washington: National Research Council, Transportation Research Board, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Transportation Research Circular. National Research Council, Transportation Research Board, 2004.

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