Gaya APA

Timmons, J, A. (1990). New Venture Creation Entrepreneurship In The 1990 (Ed.3). United States of America: Richard D. Irwin.

Gaya MLA

Timmons, Jeffry, A. "New Venture Creation Entrepreneurship In The 1990". Ed.3 United States of America: Richard D. Irwin, 1990. Buku.