APA
Institute of Transport Management (Visakhapatnam), India. Planning Commission, .Economic apprisal of rural roads and bridges. Visakhapatnam: the Author.
Chicago
Institute of Transport Management (Visakhapatnam), India. Planning Commission, .Economic apprisal of rural roads and bridges. Visakhapatnam: the Author.
Harvard
Institute of Transport Management (Visakhapatnam), India. Planning Commission, .Economic apprisal of rural roads and bridges. Visakhapatnam: the Author.
MLA
Institute of Transport Management (Visakhapatnam), India. Planning Commission, .Visakhapatnam: the Author. .