American Tract Society. Little will, The Alpine cross, and Jesus' seat. American Tract Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Tract Society. Little Will, The Alpine Cross, and Jesus' Seat. New York: American Tract Society.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Tract Society. Little Will, The Alpine Cross, and Jesus' Seat. American Tract Society.
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