APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.