KEATING, C. J. (1987). Bagaimana menghadapi orang sulit. Kanisius.
Chicago Style (17th ed.) CitationKEATING, Charles J. Bagaimana Menghadapi Orang Sulit. Yogyakarta: Kanisius, 1987.
MLA (9th ed.) CitationKEATING, Charles J. Bagaimana Menghadapi Orang Sulit. Kanisius, 1987.
Warning: These citations may not always be 100% accurate.