Maher. Earth As It Is. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMaher. Earth As It Is. Indiana University Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMaher. Earth As It Is. Indiana University Press.
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