Gaya APA

Tie, S, V, T, S, V. (2003). Essentials of Entrepreneurship : What it Takes to Create Successful Enterprises.-- . New Jersey: Jhon Wiley & Sons.

Gaya MLA

Tie, Silicon, Valley, Tie,, Silicon, Valley. "Essentials of Entrepreneurship : What it Takes to Create Successful Enterprises.--". New Jersey: Jhon Wiley & Sons, 2003. Buku.