(2010). Imagine It. New York: Mc Graw-Hill.
Dyfyniad Arddull ChicagoImagine It. New York: Mc Graw-Hill, 2010.
Dyfyniad MLAImagine It. New York: Mc Graw-Hill, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(2010). Imagine It. New York: Mc Graw-Hill.
Dyfyniad Arddull ChicagoImagine It. New York: Mc Graw-Hill, 2010.
Dyfyniad MLAImagine It. New York: Mc Graw-Hill, 2010.