Bullough, W. S. (1958). Practical Invertebrate Anatomy (2nd ed.). Macmillan and Co.
Cita Chicago (17th ed.)Bullough, W. S. Practical Invertebrate Anatomy. 2nd ed. London: Macmillan and Co, 1958.
Cita MLA (9th ed.)Bullough, W. S. Practical Invertebrate Anatomy. 2nd ed. Macmillan and Co, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.