Gaya APA

Sentanu, E., Hidayat, W. (2009). The Science and miracle of zona ikhlas (edisi 1). Jakarta: Elex media komputindo.

Gaya MLA

Sentanu, Erbe., Hidayat, Wahyu. "The Science and miracle of zona ikhlas". edisi 1 Jakarta: Elex media komputindo, 2009. Text.