R. Ayappan, R. S. (1999). Weekday peak hour trip generation rates and composition of pass-by and diverted trips for shopping complexes in the Klang Valley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)R. Ayappan, Ravi Shankar. Weekday Peak Hour Trip Generation Rates and Composition of Pass-by and Diverted Trips for Shopping Complexes in the Klang Valley. 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)R. Ayappan, Ravi Shankar. Weekday Peak Hour Trip Generation Rates and Composition of Pass-by and Diverted Trips for Shopping Complexes in the Klang Valley. 1999.
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