APA Style
Colson, Rob. ().
Perplexing Puzzles Cryptic Challenges And Remarkable Riddles .
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Chicago Style
Colson, Rob.
Perplexing Puzzles Cryptic Challenges And Remarkable Riddles.
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Text.
MLA Style
Colson, Rob.
Perplexing Puzzles Cryptic Challenges And Remarkable Riddles.
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Text.
Turabian Style
Colson, Rob.
Perplexing Puzzles Cryptic Challenges And Remarkable Riddles.
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Print.