MLA
Yong, Su-Ting. "Usability." Encyclopedia of Distance Learning, edited by Caroline Howard, et al., IGI Global, 2005, pp. 1931-1937. https://doi.org/10.4018/978-1-59140-555-9.ch294
APA
Yong, S. (2005). Usability. In C. Howard, J. Boettcher, L. Justice, K. Schenk, P. Rogers, & G. Berg (Eds.), Encyclopedia of Distance Learning (pp. 1931-1937). IGI Global. https://doi.org/10.4018/978-1-59140-555-9.ch294
Chicago
Yong, Su-Ting. "Usability." In Encyclopedia of Distance Learning, edited by Caroline Howard, et al., 1931-1937. Hershey, PA: IGI Global, 2005. https://doi.org/10.4018/978-1-59140-555-9.ch294
Export Reference