Coe, M. D., & Flannery, K. V. (1967). Early cultures and human ecology in South Coastal Guatemala. Smithsonian Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoe, Michael D., और Kent V. Flannery. Early Cultures and Human Ecology in South Coastal Guatemala. Washington: Smithsonian Press, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCoe, Michael D., और Kent V. Flannery. Early Cultures and Human Ecology in South Coastal Guatemala. Smithsonian Press, 1967.
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