"In:" del Hoyo, Josep; Elliott, Andrew & Sargatal, Jordi (editors): "Handbook of Birds of the World, Volume 6: Broadbills to Tapaculos": 430-431, plate 35.
"In:" del Hoyo, Josep; Elliott, Andrew & Sargatal, Jordi (editors): "Handbook of Birds of the World, Volume 6: Broadbills to Tapaculos": 430—431, plate 35.