Ringberg, B. (1991). Late Weichselian clay varve chronology and glaciolacustrine environment during deglaciation in southeastern Sweden. Sveriges Geologiska Undersökning.
Chicago-Zitierstil (17. Ausg.)Ringberg, Bertil. Late Weichselian Clay Varve Chronology and Glaciolacustrine Environment During Deglaciation in Southeastern Sweden. Uppsala: Sveriges Geologiska Undersökning, 1991.
MLA-Zitierstil (9. Ausg.)Ringberg, Bertil. Late Weichselian Clay Varve Chronology and Glaciolacustrine Environment During Deglaciation in Southeastern Sweden. Sveriges Geologiska Undersökning, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.