Kemp, C. G. (1970). Perspectives on the group process: A foundation for counseling with groups (2nd.ed.). Houghton Mifflin.
Citação do estilo Chicago (17ª ed.)Kemp, C. Gratton. Perspectives on the Group Process: A Foundation for Counseling with Groups. 2nd.ed. New York: Houghton Mifflin, 1970.
Citação MLA (9ª ed.)Kemp, C. Gratton. Perspectives on the Group Process: A Foundation for Counseling with Groups. 2nd.ed. Houghton Mifflin, 1970.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.