APA (7th ed.) Citation

Lou, T. K., Phang, Y. N., & Wee, K. K. (2009). Business mathematics. Oxford Fajar.

Chicago Style (17th ed.) Citation

Lou, Too Kya, Yook Ngor Phang, and Kok Kiang Wee. Business Mathematics. Selangor: Oxford Fajar, 2009.

MLA (9th ed.) Citation

Lou, Too Kya, et al. Business Mathematics. Oxford Fajar, 2009.