Wheatley, N. (1996). Where to watch birds in asia. Princeton University Press.
Dyfyniad Arddull ChicagoWheatley, Nigel. Where to Watch Birds in Asia. Princeton: Princeton University Press, 1996.
Dyfyniad MLAWheatley, Nigel. Where to Watch Birds in Asia. Princeton University Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.