Dyfyniad APA

Institutionen, K. Report / Department of Quaternary Research, University of Stockholm. Stockholm.

Dyfyniad Arddull Chicago

Institutionen, Kvartärgeologiska. Report / Department of Quaternary Research, University of Stockholm. Stockholm.

Dyfyniad MLA

Institutionen, Kvartärgeologiska. Report / Department of Quaternary Research, University of Stockholm. Stockholm.

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