Krupka, D. (1993). Introduction to global variational geometry. Elsevier Science.
Cita Chicago Style (17a ed.)Krupka, D. Introduction to Global Variational Geometry. Amsterdam: Elsevier Science, 1993.
Cita MLA (8a ed.)Krupka, D. Introduction to Global Variational Geometry. Elsevier Science, 1993.
Precaución: Estas citas no son 100% exactas.