APA استشهاد

Tu, L. W. (2011). Introduction to manifolds (2nd ed.). Springer.

استشهاد بنمط شيكاغو

Tu, Loring W. Introduction to Manifolds. 2nd ed. Heidelberg: Springer, 2011.

MLA استشهاد

Tu, Loring W. Introduction to Manifolds. 2nd ed. Springer, 2011.