APA (7th ed.) Citation

(2008). Sejarah 4 khalifah. Perniagaan Jahabersa.

Chicago Style (17th ed.) Citation

Sejarah 4 Khalifah. Johor Bahru: Perniagaan Jahabersa, 2008.

MLA (8th ed.) Citation

Sejarah 4 Khalifah. Perniagaan Jahabersa, 2008.

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