Killops, S. (2005). Introduction to Organic Geochemistry (2nd ed.). Blackwell.
Chicago-čujuhus (17. p.)Killops, Stephon. Introduction to Organic Geochemistry. 2nd ed. Oxford: Blackwell, 2005.
MLA-čujuhus (9. p.)Killops, Stephon. Introduction to Organic Geochemistry. 2nd ed. Blackwell, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.