Handbook
Handbook of the birds of the world. Vol. 6, Mousebirds to hornbills / [edited by] Josep del Hoyo ... [et al.] ; colour plates by Richard Allen ... [et al.]. -- Barcelona : Lynx Edicions, 2001c. -- 589 s. : fot., obr., mapky. -- Lit. s. 527-579. -- Rejstř. -- ISBN : 848733430X.
Elliott, Andrew. Sargatal, Jordi, 1957-. Hoyo Calduch, Josep del. Allen, Richard, 1964-
ptáci. zoologické atlasy
598.2. 598.2(100)(084.4)