Doris, E. (1991). Doing what scientists do: Children learn to investigate their world. Heinemann.
Lua i Stíl Chicago (17ú heag.)Doris, Ellen. Doing What Scientists Do: Children Learn to Investigate Their World. Portsmouth: Heinemann, 1991.
Lua MLA (9ú heag.)Doris, Ellen. Doing What Scientists Do: Children Learn to Investigate Their World. Heinemann, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.