Gaya APA
Nasution,M.Eng, I, A, H.
(2007).
Entrepreneurship membangunSpirit Teknopreneurship
.
yogyakarta:
andi.
Gaya MLA
Nasution,M.Eng, Ir., Arman, Hakim.
"Entrepreneurship membangunSpirit Teknopreneurship".
yogyakarta:
andi,
2007.
Text.