ebrary, Inc, Ayres, B., & Bristow, M. (2009). Anxiety in college students. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, Benjamin Ayres, 与 Michelle Bristow. Anxiety in College Students. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, et al. Anxiety in College Students. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.