MANNERING WASHBRN, . (2009). PRINCIPLES OF HIGHWAY ENGINEERING AND TRAFFIC ANALYSIS. DELHI: WILEY INDIA PVT.
MANNERING WASHBRN, . 2009. PRINCIPLES OF HIGHWAY ENGINEERING AND TRAFFIC ANALYSIS. DELHI: WILEY INDIA PVT.
MANNERING WASHBRN, . PRINCIPLES OF HIGHWAY ENGINEERING AND TRAFFIC ANALYSIS. DELHI: WILEY INDIA PVT. 2009.