Xiong, Y., Yap, A. U., Marpaung, C., & Wong, M. C. M. The Depression, Anxiety, Stress Scales-21: Principal component analysis and evaluation of abbreviated versions in young adults with temporomandibular disorders. Public Library of Science (PLoS).
Chicago Style (17th ed.) CitationXiong, Yinghao, Adrian Ujin Yap, Carolina Marpaung, and May Chun Mei Wong. The Depression, Anxiety, Stress Scales-21: Principal Component Analysis and Evaluation of Abbreviated Versions in Young Adults with Temporomandibular Disorders. Public Library of Science (PLoS).
MLA (9th ed.) CitationXiong, Yinghao, et al. The Depression, Anxiety, Stress Scales-21: Principal Component Analysis and Evaluation of Abbreviated Versions in Young Adults with Temporomandibular Disorders. Public Library of Science (PLoS).