APA-referens

Optner, S. L. (1965). Systems analysis for business and industrial problem solving. Prentice hall.

Chicago-stil citat

Optner, Stanford L. Systems Analysis for Business and Industrial Problem Solving. New Jersey: Prentice hall, 1965.

MLA-referens

Optner, Stanford L. Systems Analysis for Business and Industrial Problem Solving. Prentice hall, 1965.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.