Solórzano, H. S. (2009). NorthStar 3: Listening and Speaking: teacher's manual and achievement tests. White plains, NY: Pearson/longman.
Čikaški stil citiranjaSolórzano, Helen S. NorthStar 3: Listening and Speaking: Teacher's Manual and Achievement Tests. White plains, NY: Pearson/longman, 2009.
MLA način citiranjaSolórzano, Helen S. NorthStar 3: Listening and Speaking: Teacher's Manual and Achievement Tests. White plains, NY: Pearson/longman, 2009.
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