Tham khảo Mặt_tròn_xoay

  1. ↑ Middlemiss; Marks; Smart. “15-4. Surfaces of Revolution”. Analytic Geometry (ấn bản 3). tr. 378. LCCN 68015472. 
  2. ↑ Wilson, W.A.; Tracey, J.I. (1925), Analytic Geometry , D.C. Heath and Co., tr. 227  Bảo trì CS1: Văn bản dư (link)
  3. ↑ Thomas, George B. “6.7: Area of a Surface of Revolution; 6.11: The Theorems of Pappus”. Calculus (ấn bản 3). tr. 206–209, 217–219. LCCN 69016407. 
  4. ↑ Singh, R.R. (1993). Engineering Mathematics (ấn bản 6). Tata McGraw-Hill. tr. 6.90. ISBN 0-07-014615-2. 
  5. 1 2 Weisstein, Eric W., "Minimal Surface of Revolution" từ MathWorld.
  6. ↑ Weisstein, Eric W., "Catenoid" từ MathWorld.
  7. ↑ Pressley, Andrew. “Chapter 9 - Geodesics.” Elementary Differential Geometry, 2nd ed., Springer, London, 2012, pp. 227–230.
  8. ↑ Weisstein, Eric W., "Toroid" từ MathWorld.