Mansfield, E. (1980). Statistics for business and economics. Norton.
Chicago Style (17th ed.) ZitazioaMansfield, Edwin. Statistics for Business and Economics. New York; London: Norton, 1980.
MLA (9th ed.) ZitazioaMansfield, Edwin. Statistics for Business and Economics. Norton, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.