APA (7th ed.) Citation

M. M., Y., Saifful Kamaluddin, M., & Mohamad Najib, M. N. (2008). Focus on Gambang. Penerbit UMP.

Chicago Style (17th ed.) Citation

M. M., Yusoff, Muzakir Saifful Kamaluddin, and Mohammad Nor Mohamad Najib. Focus on Gambang. Penerbit UMP, 2008.

MLA (9th ed.) Citation

M. M., Yusoff, et al. Focus on Gambang. Penerbit UMP, 2008.