Parker, J. G., Saxon, J. L., Asher, S. R., & Kovacs, D. M. (1999). Dimensions of children's friendship adjustment: Implications for understanding loneliness. In K. J. Rotenberg & S. Hymel (Eds.), Loneliness in childhood and adolescence (pp. 201–221). New York: Cambridge University Press.

Parker, J. G., J. L. Saxon, S. R. Asher, and D. M. Kovacs. “Dimensions of children's friendship adjustment: Implications for understanding loneliness.” In Loneliness in Childhood and Adolescence, edited by K. J. Rotenberg and S. Hymel, 201–21. New York: Cambridge University Press, 1999.

Parker JG, Saxon JL, Asher SR, Kovacs DM. Dimensions of children's friendship adjustment: Implications for understanding loneliness. In: Rotenberg KJ, Hymel S, editors. Loneliness in childhood and adolescence. New York: Cambridge University Press; 1999. p. 201–21.

Parker, J. G., et al. “Dimensions of children's friendship adjustment: Implications for understanding loneliness.” Loneliness in Childhood and Adolescence, edited by K. J. Rotenberg and S. Hymel, Cambridge University Press, 1999, pp. 201–21.

Parker JG, Saxon JL, Asher SR, Kovacs DM. Dimensions of children's friendship adjustment: Implications for understanding loneliness. In: Rotenberg KJ, Hymel S, editors. Loneliness in childhood and adolescence. New York: Cambridge University Press; 1999. p. 201–221.