Moulton, William G., author
Modern Language Association of America, 1966
Buku Teks
Bonner, Frances, author
Sage Publications , 2003
Buku Teks
Baltimore : The Linguistic Society of America
Majalah, Jurnal, Buletin
Ahearn, Laura M. author
John Wiley & Sons, Incorporated,, 2016
Buku Teks
Ottenheimer, Harriet Joseph, author
Wadsworth and Cengage Learning, 2013
Buku Teks