MCCONNELL, D. S. (2021). The good earth: Introduction to earth science. McGraw Hill Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMCCONNELL, David Steer. The Good Earth: Introduction to Earth Science. McGraw Hill Education, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMCCONNELL, David Steer. The Good Earth: Introduction to Earth Science. McGraw Hill Education, 2021.
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