APA (7th ed.) Citation

Baltaji & H. Abdul Rachman Saleh Siregar. (2007). Ijtihad Umar Bin Khattab: Dalam penetapan syariat Islam. Berlian Publications.

Chicago Style (17th ed.) Citation

Baltaji and H. Abdul Rachman Saleh Siregar. Ijtihad Umar Bin Khattab: Dalam Penetapan Syariat Islam. Selangor: Berlian Publications, 2007.

MLA (8th ed.) Citation

Baltaji and H. Abdul Rachman Saleh Siregar. Ijtihad Umar Bin Khattab: Dalam Penetapan Syariat Islam. Berlian Publications, 2007.

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