APA (7th ed.) Citation

Laksono, H. (1998). Keutamaan istigfar. Gema Insani Press.

Chicago Style (17th ed.) Citation

Laksono, Helmy. Keutamaan Istigfar. Gema Insani Press, 1998.

MLA (8th ed.) Citation

Laksono, Helmy. Keutamaan Istigfar. Gema Insani Press, 1998.

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