Oprea, J. (2004). Differential geometry and its applications (2nd ed.). Upper Saddle River, NJ.: Prentice-Hall.
Παραπομπή Chicago StyleOprea, John. Differential Geometry and Its Applications. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall, 2004.
Παραπομπή MLAOprea, John. Differential Geometry and Its Applications. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.