Petrie, C. (1972). A historian looks at his world. Sidgwick and Jackson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPetrie, Charles. A Historian Looks at His World. London: Sidgwick and Jackson, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPetrie, Charles. A Historian Looks at His World. Sidgwick and Jackson, 1972.
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