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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)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.
MLA -ийн эшлэл (9 дэх хэвлэлт)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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