Gaya APA
M.M., I, H.
(2017).
Opportunity Calling: Handbook Of Entrepreneurship
(
1)
.
Yogyakarta:
Andi Yogyakarta.
Gaya MLA
M.M., Ir., Hendro,.
"Opportunity Calling: Handbook Of Entrepreneurship".
1
Yogyakarta:
Andi Yogyakarta,
2017.
Text.