APA Style

Nasution, A, H. et al (c2007). Entrepreneurship : membangun spirit teknopreneurship (1st). Yogyakarta: ANDI.

MLA Style

Nasution, Arman, Hakim. et al. "Entrepreneurship : membangun spirit teknopreneurship". 1st Yogyakarta: ANDI, c2007. Text.