APA (7th ed.) Citation

Asy-Syahawi. Rahsia istighfar. Synergy Media.

Chicago Style (17th ed.) Citation

Asy-Syahawi. Rahsia Istighfar. Kuala Lumpur: Synergy Media.

MLA (8th ed.) Citation

Asy-Syahawi. Rahsia Istighfar. Synergy Media.

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