Estellon, P. (2014). It's about time: Untangling everything you need to know about time. Owlkids Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEstellon, Pascale. It's About Time: Untangling Everything You Need to Know About Time. Toronto: Owlkids Books Inc., 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEstellon, Pascale. It's About Time: Untangling Everything You Need to Know About Time. Owlkids Books Inc., 2014.
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