LANGEN, M. D. (2001). Productive and Liveable Cities: Guidelines for pedestrian and bicycle traffic in African Cities. A.A. Balkema.
Chicago Style (17th ed.) CitationLANGEN, Marius De. Productive and Liveable Cities: Guidelines for Pedestrian and Bicycle Traffic in African Cities. A.A. Balkema, 2001.
MLA (8th ed.) CitationLANGEN, Marius De. Productive and Liveable Cities: Guidelines for Pedestrian and Bicycle Traffic in African Cities. A.A. Balkema, 2001.
Warning: These citations may not always be 100% accurate.