Gaya APA

Yusuf, I., Widodo, G. (2010). Rahasia Tawa & Tangis Rasulullah . Solo: Pustaka Iltizam.

Gaya MLA

Yusuf, Ishom., Widodo, Giyarso. "Rahasia Tawa & Tangis Rasulullah". Solo: Pustaka Iltizam, 2010. Text.