Roberts, M. J. New Business Ventures and the Entrepreneur, 6ed. McGraw Hill.
Chicago Style (17th ed.) CitationRoberts, Michael J. New Business Ventures and the Entrepreneur, 6ed. McGraw Hill.
MLA引文Roberts, Michael J. New Business Ventures and the Entrepreneur, 6ed. McGraw Hill.
警告：這些引文格式不一定是100％准確.