Gaya APA

R., N, , A. (1985). Longitudinal Studies in Child Psychology and Psychiatry : Practical Lesson from Research Experience . New York: John Wiley & Sons.

Gaya MLA

R., Nicol, , A.. "Longitudinal Studies in Child Psychology and Psychiatry : Practical Lesson from Research Experience". New York: John Wiley & Sons, 1985. Text.