Wolf, J. A. (1967). Spaces of constant curvature. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoWolf, Joseph Albert. Spaces of Constant Curvature. New York: McGraw-Hill, 1967.
Deismireacht MLAWolf, Joseph Albert. Spaces of Constant Curvature. New York: McGraw-Hill, 1967.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.