Mallory, J. P., & Adams, D. Q. (2006). The Oxford introduction to Proto Indo European and the Proto Indo European world. Oxford University Press.
Dyfyniad Arddull ChicagoMallory, J. P., and Douglas Q. Adams. The Oxford Introduction to Proto Indo European and the Proto Indo European World. New York: Oxford University Press, 2006.
Dyfyniad MLAMallory, J. P., and Douglas Q. Adams. The Oxford Introduction to Proto Indo European and the Proto Indo European World. Oxford University Press, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.