Bradbury, R. H. (1938). A first book in chemistry (3d ed., 1938.). D. Appleton-Century Co.
Lua i Stíl Chicago (17ú heag.)Bradbury, Robert H. A First Book in Chemistry. 3d ed., 1938. New York: D. Appleton-Century Co, 1938.
Lua MLA (8ú heag.)Bradbury, Robert H. A First Book in Chemistry. 3d ed., 1938. D. Appleton-Century Co, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.