Boothby, W. M. (1975). An introduction to differentiable manifolds and Riemannian geometry. Academic Press.
Chicago-čujuhus (17. p.)Boothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. New York, USA: Academic Press, 1975.
MLA-čujuhus (9. p.)Boothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. Academic Press, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.