Bullough, W. S. (1958). Practical invertebrate anatomy (Second Edition.). Macmillan.
Chicago Style aipamenaBullough, William S. Practical Invertebrate Anatomy. Second Edition. London: Macmillan, 1958.
MLA aipamenaBullough, William S. Practical Invertebrate Anatomy. Second Edition. Macmillan, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.