Hawthorne, I. H., & Walmsley, D. A. (1987). Municipal bus operation: The effect of the 1985 transport act in three cities. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Hawthorne, I. H., und D. A. Walmsley. Municipal Bus Operation: The Effect of the 1985 Transport Act in Three Cities. Crowthorne: Transport and Road Research Laboratory, 1987.
MLA-Zitierstil (9. Ausg.)Hawthorne, I. H., und D. A. Walmsley. Municipal Bus Operation: The Effect of the 1985 Transport Act in Three Cities. Transport and Road Research Laboratory, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.