APA aipamena

OPTNER,S.L. (1978). SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT. PRENTICE HALL OF INDIA.

Chicago Style aipamena

OPTNER,S.L. SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT. PRENTICE HALL OF INDIA, 1978.

MLA aipamena

OPTNER,S.L. SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT. PRENTICE HALL OF INDIA, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.