HARDNER, M. H. Chemistry in the space age. Holt.
Lua i Stíl Chicago (17ú heag.)HARDNER, Marjorie H. Chemistry in the Space Age. New York: Holt.
Lua MLA (9ú heag.)HARDNER, Marjorie H. Chemistry in the Space Age. Holt.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.