Ioup, G., & Weinberger, S. H. (1987). Interlanguage phonology: The acquisition of a second language sound system. Newbury House Publishers.
Chicago Style (17th ed.) CitationIoup, Georgette, and Steven H. Weinberger. Interlanguage Phonology: The Acquisition of a Second Language Sound System. Cambridge, MA: Newbury House Publishers, 1987.
MLA (9th ed.) CitationIoup, Georgette, and Steven H. Weinberger. Interlanguage Phonology: The Acquisition of a Second Language Sound System. Newbury House Publishers, 1987.