A.K, A. E. N. F. R. (2018). Service attributes influencing declining ridership of public rail operation based on passenger experience survey in Klang Valley. AIP Conference Proceedings, 2020, . https://doi.org/10.1063/1.5062652
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)A.K, Azmi E.A.; Nusa F.N.M.; Rahmat. "Service Attributes Influencing Declining Ridership of Public Rail Operation Based on Passenger Experience Survey in Klang Valley." AIP Conference Proceedings 2020 (2018). https://doi.org/10.1063/1.5062652.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)A.K, Azmi E.A.; Nusa F.N.M.; Rahmat. "Service Attributes Influencing Declining Ridership of Public Rail Operation Based on Passenger Experience Survey in Klang Valley." AIP Conference Proceedings, vol. 2020, 2018, https://doi.org/10.1063/1.5062652.