Fredén, C. (1988). Marine life and deglaciation chronology of the Vänern Basin, southwestern Sweden. Sveriges geologiska undersökning.
Stile di citazione ChicagoFredén, Curt. Marine Life and Deglaciation Chronology of the Vänern Basin, Southwestern Sweden. Uppsala: Sveriges geologiska undersökning, 1988.
Citazione MLAFredén, Curt. Marine Life and Deglaciation Chronology of the Vänern Basin, Southwestern Sweden. Sveriges geologiska undersökning, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.