PARRAGON BOOKS. (2019). COLOURS EARLY LEARNING (2013 Ed.). PARRAGON BOOK PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPARRAGON BOOKS. COLOURS EARLY LEARNING. 2013 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPARRAGON BOOKS. COLOURS EARLY LEARNING. 2013 Ed. PARRAGON BOOK PUBLISHERS, 2019.
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