Dyfyniad APA

Philp, R. (1985). Fossil fuel biomarkers: Applications and spectra. Elsevier.

Dyfyniad Arddull Chicago

Philp, R.P. Fossil Fuel Biomarkers: Applications and Spectra. New York: Elsevier, 1985.

Dyfyniad MLA

Philp, R.P. Fossil Fuel Biomarkers: Applications and Spectra. Elsevier, 1985.

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