Dyfyniad APA
Erlich, J., Rothman, J., & Tropman, J. E. (1995). Tactics and techniques of community intervention (3rd ed.). F.E. Peacock.
Dyfyniad Arddull Chicago
Erlich, John, Jack Rothman, and John E. Tropman. Tactics and Techniques of Community Intervention. 3rd ed. Itasca, Ill.: F.E. Peacock, 1995.
Dyfyniad MLA
Erlich, John, et al. Tactics and Techniques of Community Intervention. 3rd ed. F.E. Peacock, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.