APA aipamena

(2010).  Safe passages: Highways, wildlife and habitat connectivity.  Oislandpress.

Chicago Style aipamena

 Safe Passages: Highways, Wildlife and Habitat Connectivity.  Oislandpress, 2010.

MLA aipamena

 Safe Passages: Highways, Wildlife and Habitat Connectivity.  Oislandpress, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.