Leighton, F. A. (2002). Foreign animal diseases and Canadian wildlife: Reasons for concern and the elements of preparedness.
Citação norma ChicagoLeighton, Frederick A. Foreign Animal Diseases and Canadian Wildlife: Reasons for Concern and the Elements of Preparedness. 2002.
Citação norma MLALeighton, Frederick A. Foreign Animal Diseases and Canadian Wildlife: Reasons for Concern and the Elements of Preparedness. 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.