Flick, G. L., & Rief, S. F. (1999). ADD/ADHD (1a. ed.). México: Prentice-Hall.
Chicago Style CitationFlick, Grad L., and Sandra F. Rief. ADD/ADHD. 1a. ed. México: Prentice-Hall, 1999.
MLA CitationFlick, Grad L., and Sandra F. Rief. ADD/ADHD. 1a. ed. México: Prentice-Hall, 1999.
Warning: These citations may not always be 100% accurate.