APA Style

Nasution, I, H., Noer, B, A. (2007). Entrepreneurship: Membangung Spirit Teknopreneurship . Yogyakarta: Andi Yokyakarta.

MLA Style

Nasution, Irman, Hakim., Noer, Bustanul, Arifin. "Entrepreneurship: Membangung Spirit Teknopreneurship". Yogyakarta: Andi Yokyakarta, 2007. Perpustakaan KALBIS.