Παραπομπή APA

Stephenson, J. (2005). 202 services you can sell for big profits. Irvine, CA: Entrepreneur Press.

Παραπομπή Chicago Style

Stephenson, James. 202 Services You Can Sell for Big Profits. Irvine, CA: Entrepreneur Press, 2005.

Παραπομπή MLA

Stephenson, James. 202 Services You Can Sell for Big Profits. Irvine, CA: Entrepreneur Press, 2005.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.