Spinelli, E., & DePalma, M. N. (2011). Now it is summer. Eerdmans Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Spinelli, Eileen, agus Mary Newell DePalma. Now It Is Summer. Grand Rapids, MI: Eerdmans Books for Young Readers, 2011.
Lua MLA (8ú heag.)Spinelli, Eileen, agus Mary Newell DePalma. Now It Is Summer. Eerdmans Books for Young Readers, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.