Foley, M., & Hall, D. (2000). Developing opportunities. Inglés 4§ medio: Studentïs book (1a. ed.). Pearson Education.
Chicago Style (17. basım) AtıfFoley, Mark, ve Diane Hall. Developing Opportunities. Inglés 4§ Medio: Studentïs Book. 1a. ed. Harlow: Pearson Education, 2000.
MLA (9th ed.) AtıfFoley, Mark, ve Diane Hall. Developing Opportunities. Inglés 4§ Medio: Studentïs Book. 1a. ed. Pearson Education, 2000.
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