J, K. C. (1989). Bagaimana menghadapi Orang Sulit. Kanisius.
Chicago Style (17th ed.) CitationJ, Keating Charles. Bagaimana Menghadapi Orang Sulit. Kanisius, 1989.
MLA (8th ed.) CitationJ, Keating Charles. Bagaimana Menghadapi Orang Sulit. Kanisius, 1989.
Warning: These citations may not always be 100% accurate.