O'Neill, B. (2006). Elementary differential geometry. Amsterdam: Elsevier/AP.
Trích dẫn kiểu ChicagoO'Neill, Barrett. Elementary Differential Geometry. Amsterdam: Elsevier/AP, 2006.
MLA引文O'Neill, Barrett. Elementary Differential Geometry. Amsterdam: Elsevier/AP, 2006.
警告：这些引文格式不一定是100％准确.