N.Z, A. A. O. M. D. Z. M. A. R. (2018). Overall assessment on flexible pavement maintenance activities along North South Expressway Northern Region: From Alor Setar KM51.40 to Sungai Petani KM 107.90. AIP Conference Proceedings, 2020, . https://doi.org/10.1063/1.5062649
Chicagoスタイル(17版)引用形式N.Z, Albar A.; Osman M.H.; Dollah Z.; Musir A.A.; Roslan. "Overall Assessment on Flexible Pavement Maintenance Activities Along North South Expressway Northern Region: From Alor Setar KM51.40 to Sungai Petani KM 107.90." AIP Conference Proceedings 2020 (2018). https://doi.org/10.1063/1.5062649.
MLA(8版)引用形式N.Z, Albar A.; Osman M.H.; Dollah Z.; Musir A.A.; Roslan. "Overall Assessment on Flexible Pavement Maintenance Activities Along North South Expressway Northern Region: From Alor Setar KM51.40 to Sungai Petani KM 107.90." AIP Conference Proceedings, vol. 2020, 2018, https://doi.org/10.1063/1.5062649.