Underhill, A., & Underhill, A. (2005). Sound foundations: Learning and teaching pronunciation. Great Britain: Macmillan.
Chicago Style CitationUnderhill, Adrian, and Adrian Underhill. Sound Foundations: Learning and Teaching Pronunciation. Great Britain: Macmillan, 2005.
MLA CitationUnderhill, Adrian, and Adrian Underhill. Sound Foundations: Learning and Teaching Pronunciation. Great Britain: Macmillan, 2005.
Warning: These citations may not always be 100% accurate.