Gaya APA
Nasution, A, H. et al (2007).
ENTERPREANEURSHIP MEMBANGUN SPIRIT TEKNOPREANURSHIP .
Yogyakarta:
CV Andi Offset.
Gaya MLA
Nasution, Arman, Hakin. et al.
"ENTERPREANEURSHIP MEMBANGUN SPIRIT TEKNOPREANURSHIP".
Yogyakarta:
CV Andi Offset,
2007.
Text.