Cita APA (7th ed.)

Asher, S. R., & Gottman, J. M. (1981). The Development of children's friendships. Cambridge University Press.

Cita Chicago (17th ed.)

Asher, Steven R., i John Mordechai Gottman. The Development of Children's Friendships. Cambridge: Cambridge University Press, 1981.

Cita MLA (9th ed.)

Asher, Steven R., i John Mordechai Gottman. The Development of Children's Friendships. Cambridge University Press, 1981.