Marks, J. (2007). English pronunciation in use: Elementary (Self-study and classroom use). New York: Cambridge University Press.
Παραπομπή Chicago StyleMarks, Jonathan. English Pronunciation in Use: Elementary (Self-study and Classroom Use). New York: Cambridge University Press, 2007.
Παραπομπή MLAMarks, Jonathan. English Pronunciation in Use: Elementary (Self-study and Classroom Use). New York: Cambridge University Press, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.