APA (7e ed.) Bronvermelding

Lee, K. C., Ngoh, G. L., Yap, A., & Wong, S. (1998). Times English grammar & usage (3rd ed.). Federal Publications.

Chicago (17e ed.) Bronvermelding

Lee, Kok Cheong, Geok Lun Ngoh, Arthur Yap, en Simon Wong. Times English Grammar & Usage. 3rd ed. Singapore: Federal Publications, 1998.

MLA (9e ed.) Bronvermelding

Lee, Kok Cheong, et al. Times English Grammar & Usage. 3rd ed. Federal Publications, 1998.