APA (7th ed.) Citation

Zainuddin Zakaria & Ziadatul Hidayah bt Zakaria. (2006). Komunikasi efektif. PTS Professional Publishing.

Chicago Style (17th ed.) Citation

Zainuddin Zakaria and Ziadatul Hidayah bt Zakaria. Komunikasi Efektif. Selangor: PTS Professional Publishing, 2006.

MLA (9th ed.) Citation

Zainuddin Zakaria and Ziadatul Hidayah bt Zakaria. Komunikasi Efektif. PTS Professional Publishing, 2006.

Warning: These citations may not always be 100% accurate.