Gaya APA

E.S., D, P., Hidayat, N. (2016). Studi Kelayakan Bisnis / Dedi Purwana E.S. (Ed. 1., Cet. 1). Jakarta: Rajawali Pers.

Gaya MLA

E.S., Dedi, Purwana., Hidayat, Nurdin. "Studi Kelayakan Bisnis / Dedi Purwana E.S.". Ed. 1., Cet. 1 Jakarta: Rajawali Pers, 2016. Text.