Opie, I. A., & Opie, P. (1955). The Oxford nursery rhyme book, assembled by Iona and Peter Opie. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Opie, Iona Archibald, agus Peter Opie. The Oxford Nursery Rhyme Book, Assembled by Iona and Peter Opie. Oxford: Clarendon Press, 1955.
Lua MLA (9ú heag.)Opie, Iona Archibald, agus Peter Opie. The Oxford Nursery Rhyme Book, Assembled by Iona and Peter Opie. Clarendon Press, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.