APA (7th ed.) Citation

Sayyidul Ahal, A. A., & Shiddiq, A. R. (2000). Umar bin Abdul Aziz: Negarawan yang saleh. Pustaka Firdaus.

Chicago Style (17th ed.) Citation

Sayyidul Ahal, Abdul Aziz, and Abdul Rasyad Shiddiq. Umar Bin Abdul Aziz: Negarawan Yang Saleh. Jakarta: Pustaka Firdaus, 2000.

MLA (9th ed.) Citation

Sayyidul Ahal, Abdul Aziz, and Abdul Rasyad Shiddiq. Umar Bin Abdul Aziz: Negarawan Yang Saleh. Pustaka Firdaus, 2000.

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