Feldman, R. S. (1997). Development across the life span. Prentice hall.
芝加哥风格引文Feldman, Robert S. Development Across the Life Span. New Jersey: Prentice hall, 1997.
MLA引文Feldman, Robert S. Development Across the Life Span. Prentice hall, 1997.
警告：这些引文格式不一定是100％准确.