Citazione Stile APA (7a Edizione)

Gore, M., & Stubbe, J. (1994). Contemporary systems analysis (5th ed.). Business and Educational Technologies.

Citazione stile Chigago Style (17a edizione)

Gore, Marvin, e John Stubbe. Contemporary Systems Analysis. 5th ed. Dubuque: Business and Educational Technologies, 1994.

Citatione MLA (9a ed.)

Gore, Marvin, e John Stubbe. Contemporary Systems Analysis. 5th ed. Business and Educational Technologies, 1994.