Steig, W., & Carle, E. (2007). The one and only Shrek!: Plus 5 other stories (1st Square Fish ed.). Square Fish/Farrar Straus & Giroux.
Lua i Stíl Chicago (17ú heag.)Steig, William, agus Eric Carle. The One and Only Shrek!: Plus 5 Other Stories. 1st Square Fish ed. New York: Square Fish/Farrar Straus & Giroux, 2007.
Lua MLA (8ú heag.)Steig, William, agus Eric Carle. The One and Only Shrek!: Plus 5 Other Stories. 1st Square Fish ed. Square Fish/Farrar Straus & Giroux, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.