Παραπομπή APA

Chern, S. C. (1959). Differentiable manifolds. University.

Παραπομπή Chicago Style

Chern, Shiing- Chen. Differentiable Manifolds. Chicago: University, 1959.

Παραπομπή MLA

Chern, Shiing- Chen. Differentiable Manifolds. University, 1959.