Griffith, J. W., & Frey, C. H. (1992). Classics of children's literature (3rd ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Griffith, John W., agus Charles H. Frey. Classics of Children's Literature. 3rd ed. New York: Macmillan, 1992.
Lua MLA (9ú heag.)Griffith, John W., agus Charles H. Frey. Classics of Children's Literature. 3rd ed. Macmillan, 1992.
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