Collar, N. J.; Mallari, N. A. D.; Tabaranza, B. R. J. 1999. Threatened birds of the Philippines: the Haribon Foundation/BirdLife International Red Data Book. Bookmark, Makati City.
del Hoyo, J., Elliott, A., Sargatal, J. 1997. Handbook of the Birds of the World, vol. 4: Sandgrouse to Cuckoos. Lynx Edicions, Barcelona, Spain.
Juniper, T.; Parr, M. 1998. Parrots: a guide to the parrots of the world. Pica Press, Robertsbridge, UK.
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Recommended citation
BirdLife International (2024) Species factsheet: Mindanao Lorikeet Trichoglossus johnstoniae. Downloaded from
https://datazone.birdlife.org/species/factsheet/mindanao-lorikeet-trichoglossus-johnstoniae on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/12/2024.