Παραπομπή σε μορφή APA (7η εκδ.)

Button, K. J., & Verhoef, E. T. (1998). Road pricing, traffic congestion and the environment: Issues of efficiency and social feasibility. Edward Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Button, Kenneth J., και Erik T. Verhoef. Road Pricing, Traffic Congestion and the Environment: Issues of Efficiency and Social Feasibility. Cheltenham: Edward Elgar, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Button, Kenneth J., και Erik T. Verhoef. Road Pricing, Traffic Congestion and the Environment: Issues of Efficiency and Social Feasibility. Edward Elgar, 1998.