SpringerLink (Online service), Boal, C., & Dykstra, C. (2018). Urban Raptors: Ecology and Conservation of Birds of Prey in Cities (1st ed. 2018.). Island Press/Center for Resource Economics : Imprint: Island Press. https://doi.org/10.5822/978-1-61091-841-1
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Clint Boal, και Cheryl Dykstra. Urban Raptors: Ecology and Conservation of Birds of Prey in Cities. 1st ed. 2018. Washington, DC: Island Press/Center for Resource Economics : Imprint: Island Press, 2018. https://doi.org/10.5822/978-1-61091-841-1.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Urban Raptors: Ecology and Conservation of Birds of Prey in Cities. 1st ed. 2018. Island Press/Center for Resource Economics : Imprint: Island Press, 2018. https://doi.org/10.5822/978-1-61091-841-1.
