Gaya APA
Nasution, A, H. et al
(2007).
Entrepreneurship: Membangun Spirit Teknopreneurship
.
Yogyakarta:
Andi Offset.
Gaya MLA
Nasution, Arman, Hakim. et al.
"Entrepreneurship: Membangun Spirit Teknopreneurship".
Yogyakarta:
Andi Offset,
2007.
Buku.