APA Style

Umar, P, K, N. (2018). Maqam-Maqam Spiritual : Pendakian Menuju Tuhan . Jakarta: Media Indonesia Publishing.

MLA Style

Umar, Prof., KH, Nasaruddin. "Maqam-Maqam Spiritual : Pendakian Menuju Tuhan". Jakarta: Media Indonesia Publishing, 2018. Buku Pengayaan Khusus Siswa.