Mathers, Hindun Abu Bakar, & Goh. (1992). Otak. Pustaka Sistem Pelajaran.
Chicago Style (17th ed.) CitationMathers, Hindun Abu Bakar, and Goh. Otak. Cheras: Pustaka Sistem Pelajaran, 1992.
MLA (8th ed.) CitationMathers, et al. Otak. Pustaka Sistem Pelajaran, 1992.
Warning: These citations may not always be 100% accurate.