APA ציטוט

Timmons, J. A., & Jeffry A. Timmons and Stephen Spinelli; Jr. New venture creation: Entrepreneurship for the 21st century. Boston: McGraw-Hill/Irwin.

Trích dẫn kiểu Chicago

Timmons, Jeffry A., và Jeffry A. Timmons and Stephen Spinelli; Jr. New Venture Creation: Entrepreneurship for the 21st Century. Boston: McGraw-Hill/Irwin.

ציטוט MLA

Timmons, Jeffry A., và Jeffry A. Timmons and Stephen Spinelli; Jr. New Venture Creation: Entrepreneurship for the 21st Century. Boston: McGraw-Hill/Irwin.