Gaya APA

NASUTION, A, H. et al (2007). ENTERPRENEURSHIP : Membangun Spirit Teknopreneurship (Ed.1). Yogyakarta: ANDI.

Gaya MLA

NASUTION, ARMAN, HAKIM. et al. "ENTERPRENEURSHIP : Membangun Spirit Teknopreneurship". Ed.1 Yogyakarta: ANDI, 2007. Text.