Stockwell, R. (1969). The sounds of English and Spanish. The University of Chicago Press.
Chicago-viite (17. p.)Stockwell, Robert. The Sounds of English and Spanish. Chicago, Estados Unidos: The University of Chicago Press, 1969.
MLA-viite (9. p.)Stockwell, Robert. The Sounds of English and Spanish. The University of Chicago Press, 1969.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
