Gold, H. (2002). Urban life and society. Prentice Hall.
Chicago Style aipamenaGold, Harry. Urban Life and Society. Upper Saddle River, N.J.: Prentice Hall, 2002.
MLA aipamenaGold, Harry. Urban Life and Society. Prentice Hall, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.