Dyfyniad APA

Henriksson, A. S. (1994). Late Cretaceous calcareous nannoplankton and the extinctions at the Cretaceous-Tertiary boundary. ACTA Universitatis Upsaliensis.

Dyfyniad Arddull Chicago

Henriksson, Anders S. Late Cretaceous Calcareous Nannoplankton and the Extinctions at the Cretaceous-Tertiary Boundary. Uppsala: ACTA Universitatis Upsaliensis, 1994.

Dyfyniad MLA

Henriksson, Anders S. Late Cretaceous Calcareous Nannoplankton and the Extinctions at the Cretaceous-Tertiary Boundary. ACTA Universitatis Upsaliensis, 1994.

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