Burnett, R., & Marshall, P. D. (2003). Web theory. Routledge.
Dyfyniad Arddull ChicagoBurnett, Robert, and P. David Marshall. Web Theory. London: Routledge, 2003.
Dyfyniad MLABurnett, Robert, and P. David Marshall. Web Theory. Routledge, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.