Killops, S. D., & Killops, V. J. (2005). Introduction to Organic Geochemistry (2nd ed.). Wiley-Blackwell.
Cita Chicago (17th ed.)Killops, Stephen D., i Vanessa J. Killops. Introduction to Organic Geochemistry. 2nd ed. Malden, MA: Wiley-Blackwell, 2005.
Cita MLA (9th ed.)Killops, Stephen D., i Vanessa J. Killops. Introduction to Organic Geochemistry. 2nd ed. Wiley-Blackwell, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.