(1932). CENSUS OF nineteen thirty one.
Chicago Style aipamenaCENSUS OF Nineteen Thirty One. 1932.
MLA aipamenaCENSUS OF Nineteen Thirty One. 1932.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(1932). CENSUS OF nineteen thirty one.
Chicago Style aipamenaCENSUS OF Nineteen Thirty One. 1932.
MLA aipamenaCENSUS OF Nineteen Thirty One. 1932.