NULL. (1976). THE EVOLUTIONARY SIGNIFICANCE OF THE EXINE. ACADEMIC PRESS.
Chicago Style aipamenaNULL. THE EVOLUTIONARY SIGNIFICANCE OF THE EXINE. LONDON & NEW YORK: ACADEMIC PRESS, 1976.
MLA aipamenaNULL. THE EVOLUTIONARY SIGNIFICANCE OF THE EXINE. ACADEMIC PRESS, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.