Polak, J. B. K., & Van Der Kamp, J. (1980). Changes in the field of transport studies: Essays on the progress of theory in relation to policy making. Martinus Nijhoff Pub..
Chicago Style (17th ed.) CitationPolak, J. Band Kamp, and J.B Van Der Kamp. Changes in the Field of Transport Studies: Essays on the Progress of Theory in Relation to Policy Making. Martinus Nijhoff Pub., 1980.
MLA (9th ed.) CitationPolak, J. Band Kamp, and J.B Van Der Kamp. Changes in the Field of Transport Studies: Essays on the Progress of Theory in Relation to Policy Making. Martinus Nijhoff Pub., 1980.
Warning: These citations may not always be 100% accurate.