APA (7th ed.) Zitazioa
Mansfield, E. (1992). Principles of microeconomics (7th ed.). W.W. Norton & Co..
Chicago Style (17th ed.) Zitazioa
Mansfield, Edwin. Principles of Microeconomics. 7th ed. New York: W.W. Norton & Co., 1992.
MLA (9th ed.) Zitazioa
Mansfield, Edwin. Principles of Microeconomics. 7th ed. W.W. Norton & Co., 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.