Citazione Stile APA (7a Edizione)

Spencer, M. H., & Siegelman, L. (1959). Managerial economics: Decision making and forward planning. Richard D. Irwin.

Citazione stile Chigago Style (17a edizione)

Spencer, Milton H., e Louis Siegelman. Managerial Economics: Decision Making and Forward Planning. Homewood: Richard D. Irwin, 1959.

Citatione MLA (9a ed.)

Spencer, Milton H., e Louis Siegelman. Managerial Economics: Decision Making and Forward Planning. Richard D. Irwin, 1959.