Παραπομπή APA

Leftwich,Richard H, & Eckert,D Ross. (1985). The price system and resource allocation (9.). Dryden Press.

Παραπομπή Chicago Style

Leftwich,Richard H, και Eckert,D Ross. The Price System and Resource Allocation. 9. Japan: Dryden Press, 1985.

Παραπομπή MLA

Leftwich,Richard H, και Eckert,D Ross. The Price System and Resource Allocation. 9. Dryden Press, 1985.