Becker, M., Cortina, K. S., Tsai, Y-M, & Eccles, J. S. (2014). Sexual orientation, psychological well-being, and mental health: A longitudinal analysis from adolescence to young adulthood. Psychology of Sexual Orientation and Gender Diversity, Vol 1(2), Jun 2014, 132-145.

Egan, S.K., &, Perry, D.G. (2001). Gender identity: A multidimensional analysis with implications for psychosocial adjustment. Developmental Psychology, 37, 451-463.

Kitzinger, C. (1999), Lesbian and gay psychology:  Is it critical?  Annual Review Critical Psychology, 1(1):50-66