Spinelli, E., & DePalma, M. N. (2004). Now it is winter. Eerdmans Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Spinelli, Eileen, agus Mary Newell DePalma. Now It Is Winter. Grand Rapids, Mich.: Eerdmans Books for Young Readers, 2004.
Lua MLA (8ú heag.)Spinelli, Eileen, agus Mary Newell DePalma. Now It Is Winter. Eerdmans Books for Young Readers, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.