Keating, Charles J. Bagaimana Menghadapi Orang Sulit. - Cet.2. - Yogyakarta: Kanisius, 1988. - 304p. 20 cm. Subjects--Topical Terms: Hubungan antar pribadi LC Class. No.: BF637.I48 / .K43 1988 Dewey Class. No.: 158.2