Sutcliff, R. 1. -. (2000). The eagle of the ninth: Stage 4 (1400 Headwords). Oxford: Oxford Univ. Press.
Dyfyniad Arddull ChicagoSutcliff, Rosemary 1920 -1992. The Eagle of the Ninth: Stage 4 (1400 Headwords). Oxford: Oxford Univ. Press, 2000.
Dyfyniad MLASutcliff, Rosemary 1920 -1992. The Eagle of the Ninth: Stage 4 (1400 Headwords). Oxford: Oxford Univ. Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.