Switzer, J. (2007). Instant income: Strategies that bring in the cash for small businesses, innovative employees, and occasional entrepreneurs. New York: McGraw-Hill.
Παραπομπή Chicago StyleSwitzer, Janet. Instant Income: Strategies That Bring in the Cash for Small Businesses, Innovative Employees, and Occasional Entrepreneurs. New York: McGraw-Hill, 2007.
Παραπομπή MLASwitzer, Janet. Instant Income: Strategies That Bring in the Cash for Small Businesses, Innovative Employees, and Occasional Entrepreneurs. New York: McGraw-Hill, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.