Shafrein Izwan Hasshim. (2009). Moving vehicle traffic controller. Universiti Teknikal Malaysia Melaka.
Čikaški stil citiranja (17. izdanje)Shafrein Izwan Hasshim. Moving Vehicle Traffic Controller. Durian Tunggal: Universiti Teknikal Malaysia Melaka, 2009.
MLA način citiranja (8. izdanje)Shafrein Izwan Hasshim. Moving Vehicle Traffic Controller. Universiti Teknikal Malaysia Melaka, 2009.
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