Hopkins, L. B., & Marchesi, S. (1992). Mama. Simon & Schuster Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Hopkins, Lee Bennett, agus Stephen Marchesi. Mama. New York: Simon & Schuster Books for Young Readers, 1992.
Lua MLA (8ú heag.)Hopkins, Lee Bennett, agus Stephen Marchesi. Mama. Simon & Schuster Books for Young Readers, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.