Wood, D., & Shed, G. (2005). The secret of saying thanks. Simon & Schuster Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Wood, Douglas, agus Greg Shed. The Secret of Saying Thanks. New York: Simon & Schuster Books for Young Readers, 2005.
Lua MLA (8ú heag.)Wood, Douglas, agus Greg Shed. The Secret of Saying Thanks. Simon & Schuster Books for Young Readers, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.