Gaya APA

Ashari, R, T. (2008). SEQ Spiritualitas Engineering Quotient (Cet. II). Yogyakarta: Arti Bumi Intaran.

Gaya MLA

Ashari, Rahmat, Thohir. "SEQ Spiritualitas Engineering Quotient". Cet. II Yogyakarta: Arti Bumi Intaran, 2008. Text.