Ridley,Mark. Evolution. Blackwell.
Chicago Style aipamenaRidley,Mark. Evolution. USA: Blackwell.
MLA aipamenaRidley,Mark. Evolution. Blackwell.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Ridley,Mark. Evolution. Blackwell.
Chicago Style aipamenaRidley,Mark. Evolution. USA: Blackwell.
MLA aipamenaRidley,Mark. Evolution. Blackwell.