APA (7th ed.) Citation

Mokhtar Ahmad, Ponnusamy S, & Sumathy M. (1999). Unit sistem =: (System unit). Thinker's Library.

Chicago Style (17th ed.) Citation

Mokhtar Ahmad, Ponnusamy S, and Sumathy M. Unit Sistem =: (System Unit). Batu Caves: Thinker's Library, 1999.

MLA (9th ed.) Citation

Mokhtar Ahmad, et al. Unit Sistem =: (System Unit). Thinker's Library, 1999.

Warning: These citations may not always be 100% accurate.