Yong, K. S., Lau, K. K., Kwai, P. L., Poon, O. T., & Lee, C. L. (1991). Supervisory management. Singapore: Longman Singapore Publishers.
Chicago Style CitationYong, Kam Seng., Kian Keng Lau, Poh Loo Kwai, Ooi Theng Poon, and Choong Leng Lee. Supervisory Management. Singapore: Longman Singapore Publishers, 1991.
MLA CitationYong, Kam Seng., et al. Supervisory Management. Singapore: Longman Singapore Publishers, 1991.
Warning: These citations may not always be 100% accurate.