Knellwolf, C., & Norris, C. (2001). Twentieth-century historical, philosophical and psychological perspectives. Cambridge Univ. Press.
Chicago-Zitierstil (17. Ausg.)Knellwolf, Christa, und Christopher Norris. Twentieth-century Historical, Philosophical and Psychological Perspectives. Cambridge [u.a.]: Cambridge Univ. Press, 2001.
MLA-Zitierstil (8. Ausg.)Knellwolf, Christa, und Christopher Norris. Twentieth-century Historical, Philosophical and Psychological Perspectives. Cambridge Univ. Press, 2001.
警告：這些引文格式不一定是100％准確.