2006. A Review of the Literature on Second Language Learning. 2nd Edition
2003. Second Language Phonology.
2000. Second language acquisition and linguistic theory.
1998. Second language phonology, phonetics, and typology.
1998. Studies in Second Language Acquisition.
1995. Phonological Acquisition and Phonological Theory.
1994. A Formal Model of Learning L2 Prosodic Phonology
1993. Language Learnability and L2 Phonology: The Acquisition of Metrical Parameters.
1993. The Learnability of English Metrical Parameters by Adult Spanish Speakers
1987. Developing Natural and Confident Speech: Drama Techniques in the Pronunciation Class