Wang, P., Shi, L., Zhao, Q., Hong, Z., & Guo, Q. (2014). Longitudinal Changes in Clock Drawing Test (CDT) Performance before and after Cognitive Decline. Public Library of Science.
استشهاد بنمط شيكاغوWang, Ping, Langfeng Shi, Qianhua Zhao, Zhen Hong, و Qihao Guo. Longitudinal Changes in Clock Drawing Test (CDT) Performance Before and After Cognitive Decline. Public Library of Science, 2014.
MLA استشهادWang, Ping, et al. Longitudinal Changes in Clock Drawing Test (CDT) Performance Before and After Cognitive Decline. Public Library of Science, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.