Zainuddin b. Zakaria & Ziadatul Hidayah Zakaria. (2006). Komunikasi efektif. PTS Professional.
Chicago Style (17th ed.) CitationZainuddin b. Zakaria and Ziadatul Hidayah Zakaria. Komunikasi Efektif. Batu Caves, Selangor: PTS Professional, 2006.
MLA (8th ed.) CitationZainuddin b. Zakaria and Ziadatul Hidayah Zakaria. Komunikasi Efektif. PTS Professional, 2006.
Warning: These citations may not always be 100% accurate.