Jelaskan Rujukan dari Malas besar (burung) dalam bahasa melayu

Borerro, J. 1974. Notes on the structure of upper eyelid of potoos.. The Condor, 76: 210–211.

Land, H., W. Schultz. 1963. A proposed subspecies of the Great Potoo, Nyctibius grandis. Auk, 80: 195–196.

Holyoak, D.T. (2001): Nightjars and their Allies: the Caprimulgiformes. Oxford University Press, Oxford, New York. ISBN

Adams, Kimberly. 2011. Great Potoo (Nyctibius grandis), Neotropical Birds Online (T. S. Schulenberg, Editor). Ithaca: Cornell Lab of Ornithology; retrieved from Neotropical Birds Online: http://neotropical.birds.cornell.edu/portal/species/overview?p_p_spp=222936

Spesies kurang membimbangkan Senarai Merah IUCN