Dyfyniad APA

Killops, S. (2005). Introduction to Organic Geochemistry (2nd ed.). Blackwell.

Dyfyniad Arddull Chicago

Killops, Stephon. Introduction to Organic Geochemistry. 2nd ed. Oxford: Blackwell, 2005.

Dyfyniad MLA

Killops, Stephon. Introduction to Organic Geochemistry. 2nd ed. Blackwell, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.