Smith, D. S. (1982). The science of biology (5th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Smith, David S. The Science of Biology. 5th ed. New York: McGraw-Hill, 1982.
Lua MLA (9ú heag.)Smith, David S. The Science of Biology. 5th ed. McGraw-Hill, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.