Dyfyniad APA

(1954). Group work and Community Organization 1953 - 1954. New York: National Conference of Social Work by Columbia University Press.

Dyfyniad Arddull Chicago

Group Work and Community Organization 1953 - 1954. New York: National Conference of Social Work by Columbia University Press, 1954.

Dyfyniad MLA

Group Work and Community Organization 1953 - 1954. New York: National Conference of Social Work by Columbia University Press, 1954.

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