Παραπομπή σε μορφή APA (7η εκδ.)

Small Enterprises Research and Development Foundation II.Title. (1987). Introduction to entrepreneurship. Small Enterprises Research and Development Foundation (SERDEF) in cooperation with U.P. Institute for Small-Scale Industries.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Small Enterprises Research and Development Foundation II.Title. Introduction to Entrepreneurship. Quezon City: Small Enterprises Research and Development Foundation (SERDEF) in cooperation with U.P. Institute for Small-Scale Industries, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Small Enterprises Research and Development Foundation II.Title. Introduction to Entrepreneurship. Small Enterprises Research and Development Foundation (SERDEF) in cooperation with U.P. Institute for Small-Scale Industries, 1987.