Boyd, R. F. (1984). General Microbiology.
Lua i Stíl Chicago (17ú heag.)Boyd, Robert F. General Microbiology. 1984.
Lua MLA (9ú heag.)Boyd, Robert F. General Microbiology. 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.