↑ Madge, Steve; McGowan, Phil (2002). Pheasants, Partridges and Grouse. Christopher Helm. ISBN 0-7136-3966-0.
McGowan, P.J.K. (1994) Family Phasianidae (Pheasants and Partridges) P.p. 434-479 in del Hoyo, J.; Elliot, A. & Sargatal, J. (editors). (1994). Handbook of the Birds of the World. Volume 2: New World Vultures to Guineafowl. Lynx Edicions. ISBN 8487334156
