Gaya APA

Ilyas, Y. (2002,1999,2001,2006,2007,2009,2015,2016,2018,2020). Kuliah Akhlaq (-). Yogyakarta: LPPI Universitas Muhammadiyah Yogyakarta.

Gaya MLA

Ilyas, Yunahar. "Kuliah Akhlaq". - Yogyakarta: LPPI Universitas Muhammadiyah Yogyakarta, 2002,1999,2001,2006,2007,2009,2015,2016,2018,2020. Text.