Guy, R. K., & Woodrow, R. E. (1994). The lighter side of mathematics. The Mathematical Association of America.
Chicago Style (17th ed.) ZitazioaGuy, Richard K., eta Robert E. Woodrow. The Lighter Side of Mathematics. Washington, D.C: The Mathematical Association of America, 1994.
MLA (9th ed.) ZitazioaGuy, Richard K., eta Robert E. Woodrow. The Lighter Side of Mathematics. The Mathematical Association of America, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.