Leather, S. (2000). Desert, mountain, Sea: Stage 4 (1400 Headwords). Oxford: Oxford Univ. Press.
Dyfyniad Arddull ChicagoLeather, Sue. Desert, Mountain, Sea: Stage 4 (1400 Headwords). Oxford: Oxford Univ. Press, 2000.
Dyfyniad MLALeather, Sue. Desert, Mountain, Sea: Stage 4 (1400 Headwords). Oxford: Oxford Univ. Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.