Oprea, J. (2007). Differential geometry and its applications. Mathematical Association of America.
Citazione stile Chigago Style (17a edizione)Oprea, John. Differential Geometry and Its Applications. Washington, D.C.: Mathematical Association of America, 2007.
Citatione MLA (9a ed.)Oprea, John. Differential Geometry and Its Applications. Mathematical Association of America, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.