Burgess, M. (2002). Classical covariant fields. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Burgess, Mark. Classical Covariant Fields. Cambridge, U.K. ; New York: Cambridge University Press, 2002.
Lua MLA (9ú heag.)Burgess, Mark. Classical Covariant Fields. Cambridge University Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.