APA
PYKE A. A., . (2011). Calculator use need not undermine direct-access ability: The roles of retrieval, calculation, and calculator use in the acquisition of arithmetic facts. Washington: American Psychological Association.
Chicago
PYKE Aryn A, . 2011. Calculator use need not undermine direct-access ability: The roles of retrieval, calculation, and calculator use in the acquisition of arithmetic facts. Washington: American Psychological Association.
Harvard
PYKE A. A., . (2011). Calculator use need not undermine direct-access ability: The roles of retrieval, calculation, and calculator use in the acquisition of arithmetic facts. Washington: American Psychological Association.
MLA
PYKE Aryn A, . Calculator use need not undermine direct-access ability: The roles of retrieval, calculation, and calculator use in the acquisition of arithmetic facts. Washington: American Psychological Association. 2011.