Spinelli, E., & Valério, G. (2004). Do you have a hat? Simon & Schuster Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Spinelli, Eileen, agus Geraldo Valério. Do You Have a Hat? New York: Simon & Schuster Books for Young Readers, 2004.
Lua MLA (8ú heag.)Spinelli, Eileen, agus Geraldo Valério. Do You Have a Hat? Simon & Schuster Books for Young Readers, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.