APA Style
Gray, Eddie M, Tall, David O. ().
Duality, ambiguity, and flexibility: A "Proceptual" view of simple arithmetic .
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Chicago Style
Gray, Eddie M, Tall, David O.
Duality, ambiguity, and flexibility: A "Proceptual" view of simple arithmetic .
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.
MLA Style
Gray, Eddie M, Tall, David O.
Duality, ambiguity, and flexibility: A "Proceptual" view of simple arithmetic .
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.
.
Turabian Style
Gray, Eddie M, Tall, David O.
Duality, ambiguity, and flexibility: A "Proceptual" view of simple arithmetic .
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,
.
.