Gilbert, S. D. (1993). The career training sourcebook: Where to get free, low-cost, and salaried job training. McGraw-Hill.
Chicago-referens (17:e uppl.)Gilbert, Sara D. The Career Training Sourcebook: Where to Get Free, Low-cost, and Salaried Job Training. New York: McGraw-Hill, 1993.
MLA-referens (9:e uppl.)Gilbert, Sara D. The Career Training Sourcebook: Where to Get Free, Low-cost, and Salaried Job Training. McGraw-Hill, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.