Canadian Wildlife Service, BC Environment. Wildlife Branch, ebrary, Inc, & Campbell, R. W. (2001). Passerines: Wood-warblers through old world sparrows (New ed.). UBC Press.
Copiat
No s'ha pogut copiar
Cita Chicago (17th ed.)
Canadian Wildlife Service, BC Environment. Wildlife Branch, Inc ebrary, i R. Wayne Campbell. Passerines: Wood-warblers Through Old World Sparrows. New ed. Vancouver [B.C.]: UBC Press, 2001.
Copiat
No s'ha pogut copiar
Cita MLA (9th ed.)
Canadian Wildlife Service, et al. Passerines: Wood-warblers Through Old World Sparrows. New ed. UBC Press, 2001.
Copiat
No s'ha pogut copiar
Atenció: Aquestes cites poden no estar 100% correctes.