Pickering, J. E. The Call of the Mountains, and Other Poems.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPickering, James E. The Call of the Mountains, and Other Poems.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPickering, James E. The Call of the Mountains, and Other Poems.
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