Gaya APA
Purwana, D., Hidayat, N. (2017).
Studi kelayakan bisnis / Dedi Purwana;Nurdin Hidayat (Cet.12).
Jakarta:
Rajawali Press.
Gaya MLA
Purwana, Dedi., Hidayat, Nurdin.
"Studi kelayakan bisnis / Dedi Purwana;Nurdin Hidayat".
Cet.12
Jakarta:
Rajawali Press,
2017.
Text.