Gaya APA

Agustian, A, G. (2009). Esq Emotional Spiritual Quotient: The Islamic Guide to Developing (Cet 2, April 2009). Jakarta: Arga Publishing.

Gaya MLA

Agustian, Ary, Ginanjar. "Esq Emotional Spiritual Quotient: The Islamic Guide to Developing". Cet 2, April 2009 Jakarta: Arga Publishing, 2009. Text.