Loo, B. P. Are there useful yardsticks of population size and income level for building metro systems?: Some worldwide evidence. Cities. : the international journal of urban and regional planning.
Chicago Style (17th ed.) CitationLoo, Becky P.Y. "Are There Useful Yardsticks of Population Size and Income Level for Building Metro Systems?: Some Worldwide Evidence." Cities. : The International Journal of Urban and Regional Planning .
MLA (9th ed.) CitationLoo, Becky P.Y. "Are There Useful Yardsticks of Population Size and Income Level for Building Metro Systems?: Some Worldwide Evidence." Cities. : The International Journal of Urban and Regional Planning, .
Warning: These citations may not always be 100% accurate.