Gaya APA
Hendro, .
(2017).
Handbook of Enterpreneurship Opportunity Calling
(
Pertama)
.
Yogyakarta:
Andi.
Gaya MLA
Hendro, .
"Handbook of Enterpreneurship Opportunity Calling".
Pertama
Yogyakarta:
Andi,
2017.
.