APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Zainuddin Zakaria and Ziadatul Hidayah Zakaria. Komunikasi Efektif. Kuala Lumpur: PTS Professional, 2006.

MLA (9th ed.) Citation

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

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