APA (7 वां संस्करण) प्रशस्ति पत्र
Cummings, J. (2005). The tax-free exchange loophole: How real investors can profit from the 1031 exchange. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Cummings, Jack. The Tax-free Exchange Loophole: How Real Investors Can Profit from the 1031 Exchange. Hoboken, N.J.: Wiley, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Cummings, Jack. The Tax-free Exchange Loophole: How Real Investors Can Profit from the 1031 Exchange. Wiley, 2005.
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