Egan, G. (1970). Encounter; group processes for interpersonal growth. Brooks/Cole Pub. Co..
Cita Chicago (17th ed.)Egan, Gerard. Encounter; Group Processes for Interpersonal Growth. Belmont, Calif.: Brooks/Cole Pub. Co., 1970.
Cita MLA (8th ed.)Egan, Gerard. Encounter; Group Processes for Interpersonal Growth. Brooks/Cole Pub. Co., 1970.
Atenció: Aquestes cites poden no estar 100% correctes.