Abdullah Hassan & Ainon Mohd. (2007). Teori & teknik ucapan berpengaruh (edisi kemas kini.). PTS Professional.
Chicago Style (17th ed.) CitationAbdullah Hassan and Ainon Mohd. Teori & Teknik Ucapan Berpengaruh. edisi kemas kini. Batu Caves, Selangor: PTS Professional, 2007.
MLA (9th ed.) CitationAbdullah Hassan and Ainon Mohd. Teori & Teknik Ucapan Berpengaruh. edisi kemas kini. PTS Professional, 2007.
Warning: These citations may not always be 100% accurate.