Epstein, Jonathan H.; Olival, Kevin J.; Pulliam, Juliet R.C.; Smith, Craig; Westrum, Justin; Hughes, Tom; Dobson, Andrew P.; Zubaid, Akbar; Rahman, Sohayati Abdul; Basir, Misliah Mohamad; Field, Hume E.; Daszak, Peter (2009). "Pteropus vampyrus, a hunted migratory species with a multinational home-range and a need for regional management". Journal of Applied Ecology. 46 (5): 991–1002. Bibcode:2009JApEc..46..991E. doi:10.1111/j.1365-2664.2009.01699.x.
Epstein, Jonathan H.; Olival, Kevin J.; Pulliam, Juliet R.C.; Smith, Craig; Westrum, Justin; Hughes, Tom; Dobson, Andrew P.; Zubaid, Akbar; Rahman, Sohayati Abdul; Basir, Misliah Mohamad; Field, Hume E.; Daszak, Peter (2009). "Pteropus vampyrus, a hunted migratory species with a multinational home-range and a need for regional management". Journal of Applied Ecology. 46 (5): 991–1002. Bibcode:2009JApEc..46..991E. doi:10.1111/j.1365-2664.2009.01699.x.
hut.fi
acoustics.hut.fi
Matti Airas. "Echolocation in bats"(PDF). HUT, Laboratory of Acoustics and Audio Signal Processing. p. 4. Archived from the original(PDF) on October 19, 2013. Retrieved July 19, 2013.
iucnredlist.org
Mildenstein, T.; Abdul Aziz, S.; Paguntalan, L.; Jakosalem, P.G.; Mohd-Azlan, J.; Tagtag, A.; Bansa, L.; Reintar, A.R.; Struebig, M.; Fredriksson, G.; Lee, B.; Thong, V.D.; Sheherazade. (2022). "Pteropus vampyrus". IUCN Red List of Threatened Species. 2022: e.T18766A22088824. Retrieved 9 December 2022.
Matti Airas. "Echolocation in bats"(PDF). HUT, Laboratory of Acoustics and Audio Signal Processing. p. 4. Archived from the original(PDF) on October 19, 2013. Retrieved July 19, 2013.