Christiansen. (1977). Theories of populations in biological communities. Springer-Verlag.
Chicago Style aipamenaChristiansen. Theories of Populations in Biological Communities. New York: Springer-Verlag, 1977.
MLA aipamenaChristiansen. Theories of Populations in Biological Communities. Springer-Verlag, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.