Williams, B. The Economic Importance of Non-Motorized Transport and its Impacts on Traffic Congestion Management. Philippine planning journal.
Chicago Style (17th ed.) CitationWilliams, Brian. "The Economic Importance of Non-Motorized Transport and Its Impacts on Traffic Congestion Management." Philippine Planning Journal .
MLA (9th ed.) CitationWilliams, Brian. "The Economic Importance of Non-Motorized Transport and Its Impacts on Traffic Congestion Management." Philippine Planning Journal, .
Warning: These citations may not always be 100% accurate.