APA (7th ed.) Citation

Khalid, '., & Usop, M. P. (2010). Memperbaiki kemuliaan diri menggilap kemurnian hati. Al-Hidayah House of Publishers.

Chicago Style (17th ed.) Citation

Khalid, 'Amru, and Mohd Puzhi Usop. Memperbaiki Kemuliaan Diri Menggilap Kemurnian Hati. Al-Hidayah House of Publishers, 2010.

MLA (8th ed.) Citation

Khalid, 'Amru, and Mohd Puzhi Usop. Memperbaiki Kemuliaan Diri Menggilap Kemurnian Hati. Al-Hidayah House of Publishers, 2010.

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