Steer, M. (1981). Understanding cell structure. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Steer, Martin. Understanding Cell Structure. Cambridge: Cambridge University Press, 1981.
Lua MLA (9ú heag.)Steer, Martin. Understanding Cell Structure. Cambridge University Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.