Gaya APA
Elemntary Price Theory. ().
Jakarta:
United States Goverment Printing Office.
Gaya Chicago
Elemntary Price Theory.
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Jakarta:
United States Goverment Printing Office,
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Text.
Gaya MLA
Elemntary Price Theory.
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Jakarta:
United States Goverment Printing Office,
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Text.
Gaya Turabian
Elemntary Price Theory.
Jakarta:
United States Goverment Printing Office,
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Print.