Gaya APA

Oktaviana, U, K. (2012). Financial Ratio to Distinguish Islamic Banks, Islamic Business Uints and Conventional Banks in Indonesia (cet. 1.). Jakarta: Kementeran Agama RI.

Gaya MLA

Oktaviana, Ulfi, Kartika. "Financial Ratio to Distinguish Islamic Banks, Islamic Business Uints and Conventional Banks in Indonesia". cet. 1. Jakarta: Kementeran Agama RI, 2012. Buku.