BERTRAND, A. (1958). RURAL SOCIOLOGY AN ANALYSIS OF CONTENPORARY RURAL LIFE. McGraw-Hill.
Chicago Style aipamenaBERTRAND, ALVIN. RURAL SOCIOLOGY AN ANALYSIS OF CONTENPORARY RURAL LIFE. McGraw-Hill, 1958.
MLA aipamenaBERTRAND, ALVIN. RURAL SOCIOLOGY AN ANALYSIS OF CONTENPORARY RURAL LIFE. McGraw-Hill, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.