APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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