APA način citiranja (7. izdanje)
Pyle Michael A. Cliffs Advanced Practice for the toefl: Cliffs Advanced Practice for the toefl. NCFU.
Čikaški stil citiranja (17. izdanje)Pyle Michael A. Cliffs Advanced Practice for the Toefl: Cliffs Advanced Practice for the Toefl. NCFU.
MLA način citiranja (8. izdanje)Pyle Michael A. Cliffs Advanced Practice for the Toefl: Cliffs Advanced Practice for the Toefl. NCFU.
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