Rylant, C., & Stevenson, S. (2005). Henry and Mudge and the great grandpas: The twenty-sixth book of their adventures. Simon & Schuster Books for Young Readers.
Chicago-referens (17:e uppl.)Rylant, Cynthia, och Suçie Stevenson. Henry and Mudge and the Great Grandpas: The Twenty-sixth Book of Their Adventures. New York: Simon & Schuster Books for Young Readers, 2005.
MLA-referens (8:e uppl.)Rylant, Cynthia, och Suçie Stevenson. Henry and Mudge and the Great Grandpas: The Twenty-sixth Book of Their Adventures. Simon & Schuster Books for Young Readers, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.