Dyfyniad APA

Wilson, G., & Ryland, G. (1949). Social group work practice: The creative use of the social process. Houghton.

Dyfyniad Arddull Chicago

Wilson, Gertrude, and Gladys Ryland. Social Group Work Practice: The Creative Use of the Social Process. Boston: Houghton, 1949.

Dyfyniad MLA

Wilson, Gertrude, and Gladys Ryland. Social Group Work Practice: The Creative Use of the Social Process. Houghton, 1949.

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