Foley, M., & Hall, D. (2000). Developing opportunities. Inglés 4§ medio: Studentïs book (1a. ed.). Pearson Education.
Chicago-čujuhus (17. p.)Foley, Mark, juo Diane Hall. Developing Opportunities. Inglés 4§ Medio: Studentïs Book. 1a. ed. Harlow: Pearson Education, 2000.
MLA-čujuhus (9. p.)Foley, Mark, juo Diane Hall. Developing Opportunities. Inglés 4§ Medio: Studentïs Book. 1a. ed. Pearson Education, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.