References
- Albert, Michael H.; Nowakowski, Richard J.; Wolfe, David (2007). Lessons in Play: An Introduction to Combinatorial Game Theory. A K Peters, Ltd. ISBN 1-56881-277-9.
- Berlekamp, Elwyn R.; Conway, John H.; Guy, Richard K. (2003). Winning Ways for your Mathematical Plays. A K Peters, Ltd.
Read more about this topic: Toads And Frogs (game)