Howe, C. (1995). Gene cloning and manipulation. Cambridge.
Lua i Stíl Chicago (17ú heag.)Howe, Christopher. Gene Cloning and Manipulation. New York: Cambridge, 1995.
Lua MLA (9ú heag.)Howe, Christopher. Gene Cloning and Manipulation. Cambridge, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.