Feldman, R. S. (2003). Development across the life span (3ed.). Prentice Halll.
芝加哥风格引文Feldman, Robert. S. Development Across the Life Span. 3ed. Upper Saddle River: Prentice Halll, 2003.
MLA引文Feldman, Robert. S. Development Across the Life Span. 3ed. Prentice Halll, 2003.
警告：这些引文格式不一定是100％准确.