Joyner, D. (2008). Adventures in group theory: Rubik's cube, Merlin's machine, and other mathematical toys (2nd ed., Updated and rev. ed.). Johns Hopkins University Press.
Citace podle Chicago (17th ed.)Joyner, David. Adventures in Group Theory: Rubik's Cube, Merlin's Machine, and Other Mathematical Toys. 2nd ed., Updated and rev. ed. Baltimore: Johns Hopkins University Press, 2008.
Citace podle MLA (9th ed.)Joyner, David. Adventures in Group Theory: Rubik's Cube, Merlin's Machine, and Other Mathematical Toys. 2nd ed., Updated and rev. ed. Johns Hopkins University Press, 2008.
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