Carreon, R. D. (2004). A study of the operation and usage of a non-motorized mode of public transportation: The case of the tri-wheeler in San Fernando City.
Chicago-referens (17:e uppl.)Carreon, Randolph D. A Study of the Operation and Usage of a Non-motorized Mode of Public Transportation: The Case of the Tri-wheeler in San Fernando City. 2004.
MLA-referens (9:e uppl.)Carreon, Randolph D. A Study of the Operation and Usage of a Non-motorized Mode of Public Transportation: The Case of the Tri-wheeler in San Fernando City. 2004.
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