เอกสารอ้างอิง :
Soisook, P., Bumrungsri, S., Satasook, C., Thong, V. D., Bu, S. S. H., Harrison, D. L., & Bates, P. J. (2008). A taxonomic review of Rhinolophus stheno and R. malayanus (Chiroptera: Rhinolophidae) from continental Southeast Asia: an evaluation of echolocation call frequency in discriminating between cryptic species. Acta Chiropterologica, 10(2), 221-242.