Gaya APA
Darmawan, A., Widiani,Ari, .
(2020).
Studi Kelayakan Bisnis
.
Purwokerto:
UMP Press.
Gaya MLA
Darmawan, Akhmad., Widiani,Ari, .
"Studi Kelayakan Bisnis".
Purwokerto:
UMP Press,
2020.
Text.