O'Dell F. Felicity & Black M. Michael. (2015). Advanced Trainer. Six Practice Tests with Answers (2-nd ed.). Cambridge, Cambridge University Press, 2015.
Chicago Style (17th ed.) CitationO'Dell F. Felicity and Black M. Michael. Advanced Trainer. Six Practice Tests with Answers. 2-nd ed. Cambridge, Cambridge University Press, 2015, 2015.
MLA (9th ed.) CitationO'Dell F. Felicity and Black M. Michael. Advanced Trainer. Six Practice Tests with Answers. 2-nd ed. Cambridge, Cambridge University Press, 2015, 2015.
Warning: These citations may not always be 100% accurate.