Davis, J. (2006). Effective academic writing 3: The essay. New York, NY: Oxford University Press.
Dyfyniad Arddull ChicagoDavis, Jason. Effective Academic Writing 3: The Essay. New York, NY: Oxford University Press, 2006.
Dyfyniad MLADavis, Jason. Effective Academic Writing 3: The Essay. New York, NY: Oxford University Press, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.