Dyfyniad APA

Sorokhtin, O. G., Chilingar, G. V., & Khilyuk, L. F. (2008). Global warming and global cooling: Evolution of climate on earth. Elsevier.

Dyfyniad Arddull Chicago

Sorokhtin, O G., G V. Chilingar, and L F. Khilyuk. Global Warming and Global Cooling: Evolution of Climate on Earth. Oxford: Elsevier, 2008.

Dyfyniad MLA

Sorokhtin, O G., et al. Global Warming and Global Cooling: Evolution of Climate on Earth. Elsevier, 2008.

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