APA-čujuhus (7. p.)
Dean, M. Opportunities: Intermediate : Language Powerbook. Pearson.
Chicago-čujuhus (17. p.)
Dean, Michael. Opportunities: Intermediate : Language Powerbook. Harlow, Inglaterra: Pearson.
MLA-čujuhus (9. p.)
Dean, Michael. Opportunities: Intermediate : Language Powerbook. Pearson.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.