LANG, S. (1962). Introduction to differentiable manifolds. Wiley.
Cita Chicago (17th ed.)LANG, Serge. Introduction to Differentiable Manifolds. New York: Wiley, 1962.
Cita MLA (9th ed.)LANG, Serge. Introduction to Differentiable Manifolds. Wiley, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.