Solórzano, H. S. (2009). NorthStar 3: Listening and Speaking: teacher's manual and achievement tests. White plains, NY: Pearson/longman.
Chicago ZitierstilSolórzano, Helen S. NorthStar 3: Listening and Speaking: Teacher's Manual and Achievement Tests. White plains, NY: Pearson/longman, 2009.
MLA ZitierstilSolórzano, Helen S. NorthStar 3: Listening and Speaking: Teacher's Manual and Achievement Tests. White plains, NY: Pearson/longman, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.