Allen, C. L. (1954). Problems in the theory of price. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Allen, Clark Lee. Problems in the Theory of Price. Englewood Cliffs, N.J: Prentice-Hall, 1954.
MLA način citiranja (9. izdanje)Allen, Clark Lee. Problems in the Theory of Price. Prentice-Hall, 1954.
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