Klein, S. B. (2012). Learning principles and applications (6th ed.). Sage.
芝加哥风格引文Klein, Stephen B. Learning Principles and Applications. 6th ed. Los Angeles: Sage, 2012.
MLA引文Klein, Stephen B. Learning Principles and Applications. 6th ed. Sage, 2012.
警告：这些引文格式不一定是100％准确.