APA
KEMPERT S., . (2011). Cognitive benefits and costs of bilingualism in elementary school students: The case of mathematical word problems. Washington: American Psychological Association.
Chicago
KEMPERT Sebastian, . 2011. Cognitive benefits and costs of bilingualism in elementary school students: The case of mathematical word problems. Washington: American Psychological Association.
Harvard
KEMPERT S., . (2011). Cognitive benefits and costs of bilingualism in elementary school students: The case of mathematical word problems. Washington: American Psychological Association.
MLA
KEMPERT Sebastian, . Cognitive benefits and costs of bilingualism in elementary school students: The case of mathematical word problems. Washington: American Psychological Association. 2011.