Handbook
Handbook of the birds of the world. Vol. 5, Barn-owls to hummingsbirds / edited by Josep del Hoyo ... [et al.] ; colour plates by Richard Allen ... [et al.]. -- 1st ed. -- Barcelona : Lynx Edicions, 1999. -- 759 s. : obr., fot. -- Rejstř. s. 683-759. -- ISBN : 8487334253.
Elliott, Andrew. Sargatal, Jordi, 1957-. Hoyo Calduch, Josep del. Allen, Richard, 1964-
ptáci. zoologické atlasy
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