Bulloch, I. (1992). Games: Help your child have fun with math. Two-Can.
Chicago Style (17. basım) AtıfBulloch, Ivan. Games: Help Your Child Have Fun with Math. London: Two-Can, 1992.
MLA (9th ed.) AtıfBulloch, Ivan. Games: Help Your Child Have Fun with Math. Two-Can, 1992.
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