APA (7th ed.) Zitazioa
ebrary, Inc, & Becker, P. C. (2002). A Statistical portrait of the United States: Social conditions and trends (2nd ed.). Bernan Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Patricia C. Becker. A Statistical Portrait of the United States: Social Conditions and Trends. 2nd ed. Lanham, Md.: Bernan Press, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Patricia C. Becker. A Statistical Portrait of the United States: Social Conditions and Trends. 2nd ed. Bernan Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.