APA-viite (7. p.)

Sakai, T., Shiohama, K., & Sunada, T. (1980). Curvature and topology of riemannian manifolds. Springer-Verlag.

Chicago-viite (17. p.)

Sakai, T., K. Shiohama, ja T. Sunada. Curvature and Topology of Riemannian Manifolds. Berlin: Springer-Verlag, 1980.

MLA-viite (9. p.)

Sakai, T., et al. Curvature and Topology of Riemannian Manifolds. Springer-Verlag, 1980.