Blalock, H. M. Social statistics (2.).
Chicago Style aipamenaBlalock, Hubert M. Social Statistics. 2.
MLA aipamenaBlalock, Hubert M. Social Statistics. 2.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Blalock, H. M. Social statistics (2.).
Chicago Style aipamenaBlalock, Hubert M. Social Statistics. 2.
MLA aipamenaBlalock, Hubert M. Social Statistics. 2.