Schmidt, P. (2007). Build your kids a treehouse. Creative Pub. International.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmidt, Philip. Build Your Kids a Treehouse. Chanhassen, Minn.: Creative Pub. International, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchmidt, Philip. Build Your Kids a Treehouse. Creative Pub. International, 2007.
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