APA (7 वां संस्करण) प्रशस्ति पत्र
Gill, R. (2015). Chemical fundamentals of geology and environmental geoscience (Third edition.). John Wiley & Sons, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gill, Robin. Chemical Fundamentals of Geology and Environmental Geoscience. Third edition. Chichester, West Sussex: John Wiley & Sons, Inc., 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gill, Robin. Chemical Fundamentals of Geology and Environmental Geoscience. Third edition. John Wiley & Sons, Inc., 2015.
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