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