Citazione Stile APA (7a Edizione)

OPTNER STANFORD L. (1977). SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT (3.). PRENTICE -HALL INTERNATIONAL, INC.

Citazione stile Chigago Style (17a edizione)

OPTNER STANFORD L. SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT. 3. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1977.

Citatione MLA (9a ed.)

OPTNER STANFORD L. SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT. 3. PRENTICE -HALL INTERNATIONAL, INC, 1977.