Chris Montgomery, editor; Emma Moore, editor
Cambridge University Press, 2017
Buku Teks
Ottenheimer, Harriet Joseph, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Ottenheimer, Harriet Joseph, author
Cengage, 2013
Buku Teks
Cambridge University Press, 2006
eBooks
Ahearn, Laura M. author
John Wiley & Sons, Incorporated,, 2016
Buku Teks