車輪グラフ
↑ Weisstein, Eric W. "Wheel Graph". mathworld.wolfram.com (英語).
↑ Rosen, Kenneth H. (2011). Discrete Mathematics and Its Applications (7th ed.). McGraw-Hill. p. 655. ISBN 0073383090
↑ Trudeau, Richard J. (1993). Introduction to Graph Theory (Corrected, enlarged republication. ed.). New York: Dover Pub.. pp. 56. ISBN 978-0-486-67870-2. http://store.doverpublications.com/0486678709.