APA-viite (7. p.)
Firebaugh, G. (2003). The new geography of global income inequality. Harvard University Press.
Chicago-viite (17. p.)
Firebaugh, Glenn. The New Geography of Global Income Inequality. Cambridge, Mass.: Harvard University Press, 2003.
MLA-viite (9. p.)
Firebaugh, Glenn. The New Geography of Global Income Inequality. Harvard University Press, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.