APA (7th ed.) Citation

Ho, S. W., Chan, S. H. ., & Yap, N. T. (2002). Interactively speaking. Penerbit Universiti Putra Malaysia.

Chicago Style (17th ed.) Citation

Ho, Sook Wah, Swee Heng Chan, and Ngee Thai Yap. Interactively Speaking. Serdang: Penerbit Universiti Putra Malaysia, 2002.

MLA (9th ed.) Citation

Ho, Sook Wah, et al. Interactively Speaking. Penerbit Universiti Putra Malaysia, 2002.