APA-referens (7:e uppl.)
Block, W. (2008). Labor economics from a free market perspective: Employing the unemployable. World Scientific.
Chicago-referens (17:e uppl.)
Block, Walter. Labor Economics from a Free Market Perspective: Employing the Unemployable. Singapore ; Hackensack, NJ: World Scientific, 2008.
MLA-referens (9:e uppl.)
Block, Walter. Labor Economics from a Free Market Perspective: Employing the Unemployable. World Scientific, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.