Spenser. Stumbling Its Way through Mexico. The University of Alabama Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpenser. Stumbling Its Way Through Mexico. The University of Alabama Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSpenser. Stumbling Its Way Through Mexico. The University of Alabama Press.
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