Cita APA (7th ed.)

Leftwich, R. H., & Eckert, R. D. (1982). The price system and resource allocation (8th ed.). Dryden Press.

Cita Chicago (17th ed.)

Leftwich, Richard H., i Ross D. Eckert. The Price System and Resource Allocation. 8th ed. Chicago: Dryden Press, 1982.

Cita MLA (9th ed.)

Leftwich, Richard H., i Ross D. Eckert. The Price System and Resource Allocation. 8th ed. Dryden Press, 1982.