1. Archibald, A. B., Graber, J. A., & Brooks-Gunn, J. (2003). Pubertal process and physiological growth in adolescence. In G. R. Adams & M. D. Berzonsky (Eds.), Blackwell handbook of adolescence (pp. 24–47). Oxford, UK: Blackwell.
2. Bell, A. P., Weinberg, M. S., & Hammersmith, S. K. (1981). Sexual preference: Its development in men and women. Bloomington: Indiana University Press.
3. Bogaert, A. F., Friesen, C., & Klentrou, P. (2002). Age of puberty and sexual orientation in a national probability sample. Archives of Sexual Behavior, 31, 73–81.
4. Cohen, K. M. (1999). The biology of male sexual orientation: Relationship among homoeroticism, childhood sex-atypical behavior, spatial ability, handedness, and pubertal timing. Unpublished doctoral dissertation, University of Detroit Mercy, Detroit, MI.
5. Coleman, L., & Coleman, J. (2002). The measurement of puberty: A review. Journal of Adolescence, 25, 535–550.