GUGGISBERG, C. (1970). Man and wildlife.: C.A.W. Guggisberg. Acro.
Chicago Style (17th ed.) ZitazioaGUGGISBERG, C.A.W. Man and Wildlife.: C.A.W. Guggisberg. New York: Acro, 1970.
MLA (9th ed.) ZitazioaGUGGISBERG, C.A.W. Man and Wildlife.: C.A.W. Guggisberg. Acro, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.