Lapin, L. (1987). Statistics for modern business decisions (4ª ed.). Harcourt Brace Jovanovich.
Chicago Style aipamenaLapin, Lawrence. Statistics for Modern Business Decisions. 4ª ed. Harcourt Brace Jovanovich, 1987.
MLA aipamenaLapin, Lawrence. Statistics for Modern Business Decisions. 4ª ed. Harcourt Brace Jovanovich, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.