Egan, G. (1970). Encounter; group processes for interpersonal growth. Brooks/Cole Pub. Co..
Chicago (17e ed.) BronvermeldingEgan, Gerard. Encounter; Group Processes for Interpersonal Growth. Belmont, Calif.: Brooks/Cole Pub. Co., 1970.
MLA (8e ed.) BronvermeldingEgan, Gerard. Encounter; Group Processes for Interpersonal Growth. Brooks/Cole Pub. Co., 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.