APA (7 वां संस्करण) प्रशस्ति पत्र
Hall, C. A., & Holbrook, L. L. (2007). Introduction to the geology of southern California and its native plants. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hall, Clarence A., और Lauri L. Holbrook. Introduction to the Geology of Southern California and Its Native Plants. Berkeley: University of California Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hall, Clarence A., और Lauri L. Holbrook. Introduction to the Geology of Southern California and Its Native Plants. University of California Press, 2007.
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