Dyfyniad APA

Sivhed, U. (1980). Lower Jurassic ostracodes and stratigraphy of western Skåne, southern Sweden. Sveriges geologiska undersökning.

Dyfyniad Arddull Chicago

Sivhed, Ulf. Lower Jurassic Ostracodes and Stratigraphy of Western Skåne, Southern Sweden. Uppsala: Sveriges geologiska undersökning, 1980.

Dyfyniad MLA

Sivhed, Ulf. Lower Jurassic Ostracodes and Stratigraphy of Western Skåne, Southern Sweden. Sveriges geologiska undersökning, 1980.

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