APA (7th ed.) Citation

Alexander, M., & Sasongko. (2010). Yakjuj & Makjuj: Bencana di sebalik gunung. PTS Islamika Sdn Bhd.

Chicago Style (17th ed.) Citation

Alexander, Muhammad, and Sasongko. Yakjuj & Makjuj: Bencana Di Sebalik Gunung. Selangor: PTS Islamika Sdn Bhd, 2010.

MLA (8th ed.) Citation

Alexander, Muhammad, and Sasongko. Yakjuj & Makjuj: Bencana Di Sebalik Gunung. PTS Islamika Sdn Bhd, 2010.

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