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Gaya APA

Hidajat, M. (2006). Public Speaking & Teknik Presentasi . Yogyakarta: Yogyakarta:Graha Ilmu.

Gaya MLA

Hidajat, M.S. "Public Speaking & Teknik Presentasi". Yogyakarta: Yogyakarta:Graha Ilmu, 2006. Text.