Fenn, R. (2001). Geometry. London ; New York: Springer.
Trích dẫn kiểu ChicagoFenn, Roger. Geometry. London ; New York: Springer, 2001.
MLA citiranjeFenn, Roger. Geometry. London ; New York: Springer, 2001.
Opozorilo: Ti citati niso vedno 100% točni.