Rossi-Landi, Ferruccio
Mouton, 1973
Buku Teks
Good Jeff, author
Cambridge University Press, 2016
Buku Teks
Deutscher, Guy
Spectrum, 2012
Buku Teks
Sturtevant, Edgar H., author
Yale University Press, 1947
Buku Teks
Victoria A. Fromkin
Blackwell Publishers, 2001
Buku Teks