Dodge, R. A., & Smallwood, W. M. (1959). Elements of biology tests. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Dodge, Ruth Avis, agus W. M. Smallwood. Elements of Biology Tests. Boston: Allyn and Bacon, 1959.
Lua MLA (8ú heag.)Dodge, Ruth Avis, agus W. M. Smallwood. Elements of Biology Tests. Allyn and Bacon, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.