APA (7 वां संस्करण) प्रशस्ति पत्र
Schaeffer, P. V. (2008). Commodity modeling and pricing: Methods for analyzing resource market behavior. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Schaeffer, Peter V. Commodity Modeling and Pricing: Methods for Analyzing Resource Market Behavior. Hoboken, NJ: Wiley, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Schaeffer, Peter V. Commodity Modeling and Pricing: Methods for Analyzing Resource Market Behavior. Wiley, 2008.
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