Barnes, R. D. (1963). Invertebrate zoology. W.B. Saunders.
Cita Chicago (17th ed.)Barnes, Robert D. Invertebrate Zoology. Philadelphia, Pennsylvania: W.B. Saunders, 1963.
Cita MLA (9th ed.)Barnes, Robert D. Invertebrate Zoology. W.B. Saunders, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.