Dyfyniad APA

Siersma, D. (1974). Classification and deformation of singularities. Amsterdam: Academisch Proefschrift.

Dyfyniad Arddull Chicago

Siersma, Dirk. Classification and Deformation of Singularities. Amsterdam: Academisch Proefschrift, 1974.

Dyfyniad MLA

Siersma, Dirk. Classification and Deformation of Singularities. Amsterdam: Academisch Proefschrift, 1974.

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