Soble, R. L. (1975). Smart money in hard times: A guide to inflationproof investments. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Soble, Ronald L. Smart Money in Hard Times: A Guide to Inflationproof Investments. New York: McGraw-Hill, 1975.
MLA način citiranja (9. izdanje)Soble, Ronald L. Smart Money in Hard Times: A Guide to Inflationproof Investments. McGraw-Hill, 1975.
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