Hill, L., & L.A.Hill. (1965). Intermediate stories for reproduction 1. New York: Oxford University Press.
Dyfyniad Arddull ChicagoHill, L.A., và L.A.Hill. Intermediate Stories for Reproduction 1. New York: Oxford University Press, 1965.
Dyfyniad MLAHill, L.A., và L.A.Hill. Intermediate Stories for Reproduction 1. New York: Oxford University Press, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.