Sobrie. (2003). Kamu Patut Tahu Landasan Kereta Api Pertama. Nikaz Publications.
Chicago Style (17th ed.) CitationSobrie. Kamu Patut Tahu Landasan Kereta Api Pertama. Selangor Darul Ehsan: Nikaz Publications, 2003.
MLA (9th ed.) CitationSobrie. Kamu Patut Tahu Landasan Kereta Api Pertama. Nikaz Publications, 2003.
Warning: These citations may not always be 100% accurate.