Παραπομπή σε μορφή APA (7η εκδ.)

Nordic Summer School in Mathematics Lyngby, Denmark, & Hansen, V. (1987). Differential Geometry: Proceedings of the Nordic Summer School held in Lyngby, Denmark Jul. 29 - Aug. 9, 1985. Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nordic Summer School in Mathematics Lyngby, Denmark, και V.L Hansen. Differential Geometry: Proceedings of the Nordic Summer School Held in Lyngby, Denmark Jul. 29 - Aug. 9, 1985. Berlin: Springer-Verlag, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nordic Summer School in Mathematics Lyngby, Denmark, και V.L Hansen. Differential Geometry: Proceedings of the Nordic Summer School Held in Lyngby, Denmark Jul. 29 - Aug. 9, 1985. Springer-Verlag, 1987.