Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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