Hughes, S. (2011). Off to class: Incredible and unusual schools around the world. Owlkids.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHughes, Susan. Off to Class: Incredible and Unusual Schools Around the World. Toronto, Ont.: Owlkids, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHughes, Susan. Off to Class: Incredible and Unusual Schools Around the World. Owlkids, 2011.
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