Zean Zukowski. (2000). Forcus on grammar: An high-intermediate course for reference and practice (Teacher's manual). White Plains, NY: Pearson Education.
Čikaški stil citiranjaZean Zukowski. Forcus On Grammar: An High-intermediate Course for Reference and Practice (Teacher's Manual). White Plains, NY: Pearson Education, 2000.
MLA način citiranjaZean Zukowski. Forcus On Grammar: An High-intermediate Course for Reference and Practice (Teacher's Manual). White Plains, NY: Pearson Education, 2000.
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