Citazione Stile APA (7a Edizione)

Kollios, A. E., & Stempel, J. S. (1966). Purchasing and EDP: With a case study. American Management Association.

Citazione stile Chigago Style (17a edizione)

Kollios, A. E., e Joseph S. Stempel. Purchasing and EDP: With a Case Study. New York: American Management Association, 1966.

Citatione MLA (8a ed.)

Kollios, A. E., e Joseph S. Stempel. Purchasing and EDP: With a Case Study. American Management Association, 1966.