Gaya APA

Fadhail, B, U. (1978). Nadhariyah ma`rifah inda Ibnu Sina . Kairo: Maktabah Said Rofat.

Gaya MLA

Fadhail, Badri, Un,. "Nadhariyah ma`rifah inda Ibnu Sina". Kairo: Maktabah Said Rofat, 1978. Buku.