APA-viite (7. p.)
Halal, W. E., & Taylor, K. B. (1999). Twenty-First Century Economics: Perspectives of Socioeconomics for a Changing World. St. Martin's Press.
Chicago-viite (17. p.)
Halal, William E., ja Kenneth B. Taylor. Twenty-First Century Economics: Perspectives of Socioeconomics for a Changing World. Nueva York, EUA: St. Martin's Press, 1999.
MLA-viite (9. p.)
Halal, William E., ja Kenneth B. Taylor. Twenty-First Century Economics: Perspectives of Socioeconomics for a Changing World. St. Martin's Press, 1999.
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