-Ghozali, I. A. (1986). Taubat petunjuk jalan lurus. Bungkul Indah.
Chicago Style (17th ed.) Citation-Ghozali, Imam Al. Taubat Petunjuk Jalan Lurus. Bungkul Indah, 1986.
MLA (8th ed.) Citation-Ghozali, Imam Al. Taubat Petunjuk Jalan Lurus. Bungkul Indah, 1986.
Warning: These citations may not always be 100% accurate.