Langan, J. (2010). Reading and Study Skill. McGraw - HillCompanies, Inc.
Čikaški stil citiranjaLangan, John. Reading and Study Skill. McGraw - HillCompanies, Inc, 2010.
MLA način citiranjaLangan, John. Reading and Study Skill. McGraw - HillCompanies, Inc, 2010.
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