Feldman, R. S. (2009). Understanding psychology (9th ed.). McGraw-Hill.
芝加哥风格引文Feldman, Robert S. Understanding Psychology. 9th ed. New York: McGraw-Hill, 2009.
MLA引文Feldman, Robert S. Understanding Psychology. 9th ed. McGraw-Hill, 2009.
警告:这些引文格式不一定是100%准确.