NEWBOLD PAUL. (1984). STATISTICS FOR BUSINESS AND ECONOMICS. PRENTICE -HALL INTERNATIONAL, INC.
Chicago Style aipamenaNEWBOLD PAUL. STATISTICS FOR BUSINESS AND ECONOMICS. NEW JERSEY: PRENTICE -HALL INTERNATIONAL, INC, 1984.
MLA aipamenaNEWBOLD PAUL. STATISTICS FOR BUSINESS AND ECONOMICS. PRENTICE -HALL INTERNATIONAL, INC, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.