Tuttle, Merlin D.; Kiser, Mark; Kiser, Selena (2013). The Bat House Builder's Handbook(PDF). Bat Conservation International. Archived from the original(PDF) on 2016-04-19. Retrieved 2016-10-19.
Tuttle, Merlin D.; Kiser, Mark; Kiser, Selena (2013). The Bat House Builder's Handbook(PDF). Bat Conservation International. Archived from the original(PDF) on 2016-04-19. Retrieved 2016-10-19.