Watson, D. S. (1982). Price theory and its uses (5th ed.). National Book Store.
Čikaški stil citiranja (17. izdanje)Watson, Donald Stevenson. Price Theory and Its Uses. 5th ed. Manila: National Book Store, 1982.
MLA način citiranja (9. izdanje)Watson, Donald Stevenson. Price Theory and Its Uses. 5th ed. National Book Store, 1982.
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