Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Spencer, Milton H., i Louis Siegelman. Managerial Economics: Decision Making and Forward Planning. Homewood, Ill.: Irwin, 1959.

Cita MLA (8th ed.)

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