Katz, B. (1991). Bagaimana mamasarkan jasa profesional. Pustaka Binaman Pressindo.
Chicago Style (17th ed.) CitationKatz, Bernard. Bagaimana Mamasarkan Jasa Profesional. Pustaka Binaman Pressindo, 1991.
MLA (8th ed.) CitationKatz, Bernard. Bagaimana Mamasarkan Jasa Profesional. Pustaka Binaman Pressindo, 1991.
Warning: These citations may not always be 100% accurate.