Doyle, P., & Contributions by Lowry, F. M. D. (1999). Understanding fossils: An introduction to invertebrate palaeontology. Wiley.
Cita Chicago (17th ed.)Doyle, Peter, i Florence M. D. Contributions by Lowry. Understanding Fossils: An Introduction to Invertebrate Palaeontology. Chichester: Wiley, 1999.
Cita MLA (9th ed.)Doyle, Peter, i Florence M. D. Contributions by Lowry. Understanding Fossils: An Introduction to Invertebrate Palaeontology. Wiley, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.