Singapore Professional Centre & Fong, C. Y. (1977). The role of professionals in society: Proceedings of the third convention of the Singapore Professional Centre, November 25 - 27, 1977. The Centre.
Chicago-referens (17:e uppl.)Singapore Professional Centre och Chan Yoon Fong. The Role of Professionals in Society: Proceedings of the Third Convention of the Singapore Professional Centre, November 25 - 27, 1977. Singapore: The Centre, 1977.
MLA-referens (8:e uppl.)Singapore Professional Centre och Chan Yoon Fong. The Role of Professionals in Society: Proceedings of the Third Convention of the Singapore Professional Centre, November 25 - 27, 1977. The Centre, 1977.
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