APA (7e ed.) Bronvermelding

Não informado. (1947). Traffic quarterly. Eno Foundation for Transportation.

Chicago (17e ed.) Bronvermelding

Não informado. Traffic Quarterly. Westport, Conn: Eno Foundation for Transportation, 1947.

MLA (8e ed.) Bronvermelding

Não informado. Traffic Quarterly. Eno Foundation for Transportation, 1947.

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