APA
(1997). Introduction to entrepreneurship. [Quezon City]: Small Enterprises Research and Development Foundation.
Chicago
1997. Introduction to entrepreneurship. [Quezon City]: Small Enterprises Research and Development Foundation.
Harvard
(1997). Introduction to entrepreneurship. [Quezon City]: Small Enterprises Research and Development Foundation.
MLA
Introduction to entrepreneurship. [Quezon City]: Small Enterprises Research and Development Foundation. 1997.