John Agard; Grace Nichols. (2010). "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK.
Lua i Stíl Chicago (17ú heag.)John Agard; Grace Nichols. "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK, 2010.
Lua MLA (9ú heag.)John Agard; Grace Nichols. "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.