Allard, H., & Marshall, J. (1977). Miss Nelson is missing! Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Allard, Harry, agus James Marshall. Miss Nelson Is Missing! Boston: Houghton Mifflin, 1977.
Lua MLA (8ú heag.)Allard, Harry, agus James Marshall. Miss Nelson Is Missing! Houghton Mifflin, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.