APA (7th ed.) Zitazioa
Thompson, W. S. (1965). Population problems. McGaw-Hill book Co..
Chicago Style (17th ed.) Zitazioa
Thompson, Warren S. Population Problems. London: McGaw-Hill book Co., 1965.
MLA (9th ed.) Zitazioa
Thompson, Warren S. Population Problems. McGaw-Hill book Co., 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.