KLINGENBERG, W. (1978). A course in differential geometry. Springer- verlag.
Chicago-čujuhus (17. p.)KLINGENBERG, Wilhelm. A Course in Differential Geometry. New York: Springer- verlag, 1978.
MLA-čujuhus (9. p.)KLINGENBERG, Wilhelm. A Course in Differential Geometry. Springer- verlag, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.