유환석, 이충휘, 권오윤, 전혜선, & 유원규. (2009, November). Comparison of Muscle Activity and Input Performance of Operators Using a Computer Mouse and a Trackball. Han'guk Chŏnmun Mulli Ch'iryo Hakhoe chi = Journal of the Korean Academy of University Trained Physical Therapists, 37-43.
Chicago Style (17th ed.) Citation유환석, 이충휘, 권오윤, 전혜선, and 유원규. "Comparison of Muscle Activity and Input Performance of Operators Using a Computer Mouse and a Trackball." Han'guk Chŏnmun Mulli Ch'iryo Hakhoe Chi = Journal of the Korean Academy of University Trained Physical Therapists Nov. 2009: 37-43.
MLA (9th ed.) Citation유환석, et al. "Comparison of Muscle Activity and Input Performance of Operators Using a Computer Mouse and a Trackball." Han'guk Chŏnmun Mulli Ch'iryo Hakhoe Chi = Journal of the Korean Academy of University Trained Physical Therapists, Nov. 2009, pp. 37-43.