Hoel, P. G., & Jessen, R. J. (1977). Basic statistics for business and economics (2nd ed.). John Wiley & Sons.
Chicago Style aipamenaHoel, Paul G., and Raymond J. Jessen. Basic Statistics for Business and Economics. 2nd ed. London: John Wiley & Sons, 1977.
MLA aipamenaHoel, Paul G., and Raymond J. Jessen. Basic Statistics for Business and Economics. 2nd ed. John Wiley & Sons, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.