APA-referens (7:e uppl.)

Magnaghi-Delfino, P., Mele, G., & Norando, T. (2021). Faces of geometry (Second edition.). Springer. https://doi.org/10.1007/978-3-030-63702-6

Chicago-referens (17:e uppl.)

Magnaghi-Delfino, Paola, Giampiero Mele, och Tullia Norando. Faces of Geometry. Second edition. Switzerland: Springer, 2021. https://doi.org/10.1007/978-3-030-63702-6.

MLA-referens (9:e uppl.)

Magnaghi-Delfino, Paola, et al. Faces of Geometry. Second edition. Springer, 2021. https://doi.org/10.1007/978-3-030-63702-6.