Dyfyniad APA

Horton, P. B., Leslie, G. R., & Larson, R. F. (1991). The sociology of social problems (10a. ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Horton, Paul B., Gerald R. Leslie, and Richard F. Larson. The Sociology of Social Problems. 10a. ed. Englewood Cliffs: Prentice Hall, 1991.

Dyfyniad MLA

Horton, Paul B., et al. The Sociology of Social Problems. 10a. ed. Prentice Hall, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.