Boothby, W. M. (1986). An introduction to differentiable manifolds and Riemannian geometry (2nd ed.). Academic Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Boothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. 2nd ed. Orlando: Academic Press, 1986.
Παραπομπή σε μορφή MLA (9th εκδ.)Boothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. 2nd ed. Academic Press, 1986.
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