एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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