Howe, J. D. G. F. (1971). The value of time savings from road improvements: A study in Kenya. Tropical Section, Road Research Laboratory.
Chicago Style (17. basım) AtıfHowe, J. D. G. F. The Value of Time Savings from Road Improvements: A Study in Kenya. Crowthorne: Tropical Section, Road Research Laboratory, 1971.
MLA (9th ed.) AtıfHowe, J. D. G. F. The Value of Time Savings from Road Improvements: A Study in Kenya. Tropical Section, Road Research Laboratory, 1971.
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