Bennett, E. M. (2006). Working with people who stutter: A lifespan approach. New Jersey: Pearson Merrill Hall.
Chicago Style aipamenaBennett, Ellen M. Working With People Who Stutter: A Lifespan Approach. New Jersey: Pearson Merrill Hall, 2006.
MLA aipamenaBennett, Ellen M. Working With People Who Stutter: A Lifespan Approach. New Jersey: Pearson Merrill Hall, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.