White, E., & Williams, G. (1980). Charlotte's web. HapperCollins Publishers.
Dyfyniad Arddull ChicagoWhite, E.B, and Garth Williams. Charlotte's Web. New York: HapperCollins Publishers, 1980.
Dyfyniad MLAWhite, E.B, and Garth Williams. Charlotte's Web. HapperCollins Publishers, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.