Croxton, F. E. (1960). Practical business statistics. Englewood Cliffs, N.J: Prentice-Hall.
Chicago Style aipamenaCroxton, Frederick E. Practical Business Statistics. Englewood Cliffs, N.J: Prentice-Hall, 1960.
MLA aipamenaCroxton, Frederick E. Practical Business Statistics. Englewood Cliffs, N.J: Prentice-Hall, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.