John Agard; Grace Nichols. (2010). "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK.
Chicago Style (17th ed.) CitationJohn Agard; Grace Nichols. "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK, 2010.
MLA (9th ed.) CitationJohn Agard; Grace Nichols. "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK, 2010.
Warning: These citations may not always be 100% accurate.