APA (7. basım) Alıntı

Dumortier, F. (1978). Singularities of vector fields. IMPA.

Chicago Style (17. basım) Atıf

Dumortier, Freddy. Singularities of Vector Fields. Rio de Janeiro, Brazil: IMPA, 1978.

MLA (9th ed.) Atıf

Dumortier, Freddy. Singularities of Vector Fields. IMPA, 1978.