Citáce podľa APA (7th ed.)
Gregory, P. R., & Stuart, R. C. (2004). Comparing Economic Systems in the Twenty-First Century (7th Edition.). South-Western Cengage Learning.
Citácia podle Chicago (17th ed.)
Gregory, Paul R., a Robert C. Stuart. Comparing Economic Systems in the Twenty-First Century. 7th Edition. Mason: South-Western Cengage Learning, 2004.
Citácia podľa MLA (8th ed.)
Gregory, Paul R., a Robert C. Stuart. Comparing Economic Systems in the Twenty-First Century. 7th Edition. South-Western Cengage Learning, 2004.
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