Whittaker, James K. Social support networks : informal helping in the human services / [edited by] James K. Whittaker, James Garbarino, and associates. - Hawthorne, N.Y. : Aldine Pub. Co., 1983. - xx, 479 p. ; 24 cm. Includes indexes. Bibliography: p. 409-455. Subjects--Topical Terms: Social service. Helping behavior. Friendship. Dewey Class. No.: 362