Lamm, R. (1999). Highway design and traffic safety engineering handbook. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoLamm, Ruediger. Highway Design and Traffic Safety Engineering Handbook. New York: McGraw-Hill, 1999.
MLA CitationLamm, Ruediger. Highway Design and Traffic Safety Engineering Handbook. New York: McGraw-Hill, 1999.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.