APA-viite (7. p.)
Clifton, E. V., & Romero-Barrutieta, A. (2006). Institutions v. geography: Sub-national evidence from the United States. International Monetary Fund.
Chicago-viite (17. p.)
Clifton, Eric V., ja Alma Romero-Barrutieta. Institutions V. Geography: Sub-national Evidence from the United States. [Washington, D.C.]: International Monetary Fund, 2006.
MLA-viite (9. p.)
Clifton, Eric V., ja Alma Romero-Barrutieta. Institutions V. Geography: Sub-national Evidence from the United States. International Monetary Fund, 2006.
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