Runyon, R. P. H. (1982). Business statistics. Richard D Irwin Inc.
Chicago Style aipamenaRunyon, Richard P; Haber. Business Statistics. Illinois: Richard D Irwin Inc, 1982.
MLA aipamenaRunyon, Richard P; Haber. Business Statistics. Richard D Irwin Inc, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.