O'Neill, B. (2006). Elementary differential geometry. Amsterdam: Elsevier/AP.
Dyfyniad Arddull ChicagoO'Neill, Barrett. Elementary Differential Geometry. Amsterdam: Elsevier/AP, 2006.
Dyfyniad MLAO'Neill, Barrett. Elementary Differential Geometry. Amsterdam: Elsevier/AP, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.