APA (7th ed.) Citation

Zainuddin Zakaria & Ziadatul Hidayah Zakaria. (2008). Tip menawan hati pelanggan.

Chicago Style (17th ed.) Citation

Zainuddin Zakaria and Ziadatul Hidayah Zakaria. Tip Menawan Hati Pelanggan. Kuala Lumpur, 2008.

MLA (8th ed.) Citation

Zainuddin Zakaria and Ziadatul Hidayah Zakaria. Tip Menawan Hati Pelanggan. 2008.

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