APA-viite (7. p.)
Gardner, M. (2001). A Gardner's workout: Training the mind and entertaining the spirit. A.K Peters.
Chicago-viite (17. p.)
Gardner, Martin. A Gardner's Workout: Training the Mind and Entertaining the Spirit. Natick, Mass.: A.K Peters, 2001.
MLA-viite (9. p.)
Gardner, Martin. A Gardner's Workout: Training the Mind and Entertaining the Spirit. A.K Peters, 2001.
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