APA (7th ed.) Zitazioa
Bertrand, A. L. (1958). RURAL SOCIOLOGY: AN ANALYSIS OF CONTEMPORARY RURAL LIFE.
Chicago Style (17th ed.) Zitazioa
Bertrand, Alvin L. RURAL SOCIOLOGY: AN ANALYSIS OF CONTEMPORARY RURAL LIFE. 1958.
MLA (9th ed.) Zitazioa
Bertrand, Alvin L. RURAL SOCIOLOGY: AN ANALYSIS OF CONTEMPORARY RURAL LIFE. 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.