APA (7e ed.) Bronvermelding

Mannering, F. L., & Washburn, S. S. Principles of highway engineering and traffic analysis (5a ed.).

Chicago (17e ed.) Bronvermelding

Mannering, Fred L., en Scott S. Washburn. Principles of Highway Engineering and Traffic Analysis. 5a ed.

MLA (8e ed.) Bronvermelding

Mannering, Fred L., en Scott S. Washburn. Principles of Highway Engineering and Traffic Analysis. 5a ed.