APA (7th ed.) Citation
Dean, M. Opportunities: Intermediate : Language Powerbook. Pearson.
Chicago Style (17th ed.) Citation
Dean, Michael. Opportunities: Intermediate : Language Powerbook. Harlow, Inglaterra: Pearson.
MLA (9th ed.) Citation
Dean, Michael. Opportunities: Intermediate : Language Powerbook. Pearson.
Warning: These citations may not always be 100% accurate.