APA (7e ed.) Bronvermelding

Não informado. (1974). Special report. National Research Council, Transportation Research Board.

Chicago (17e ed.) Bronvermelding

Não informado. Special Report. Washington: National Research Council, Transportation Research Board, 1974.

MLA (8e ed.) Bronvermelding

Não informado. Special Report. National Research Council, Transportation Research Board, 1974.

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