Feldman, R. S. (1990). Understanding psychology (2nd ed.). McGraw-Hill.
芝加哥风格引文Feldman, Robert S. Understanding Psychology. 2nd ed. New York: McGraw-Hill, 1990.
MLA引文Feldman, Robert S. Understanding Psychology. 2nd ed. McGraw-Hill, 1990.
警告:这些引文格式不一定是100%准确.