APA (7th ed.) Zitazioa
Sackrey, C. (1973). The political economy of urban poverty. W.W. Norton.
Chicago Style (17th ed.) Zitazioa
Sackrey, Charles. The Political Economy of Urban Poverty. New York: W.W. Norton, 1973.
MLA (9th ed.) Zitazioa
Sackrey, Charles. The Political Economy of Urban Poverty. W.W. Norton, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.