APA (7e ed.) Bronvermelding

Ettema, D., & Timmermans, H. J. P. (1997). Activity-based approaches to travel analysis. Pergamon.

Chicago (17e ed.) Bronvermelding

Ettema, Dick, en H. J. P. Timmermans. Activity-based Approaches to Travel Analysis. [S.l.]: Pergamon, 1997.

MLA (8e ed.) Bronvermelding

Ettema, Dick, en H. J. P. Timmermans. Activity-based Approaches to Travel Analysis. Pergamon, 1997.