Παραπομπή σε μορφή APA (7η εκδ.)

Roberts, M., & Stewart, I. (1991). Singularity Theory and its Applications: Warwick 1989, Part II: Singularities, Birfucations and Dynamics. Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roberts, M., και Ian Stewart. Singularity Theory and Its Applications: Warwick 1989, Part II: Singularities, Birfucations and Dynamics. Berlin: Springer-Verlag, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Roberts, M., και Ian Stewart. Singularity Theory and Its Applications: Warwick 1989, Part II: Singularities, Birfucations and Dynamics. Springer-Verlag, 1991.