Arden, Mary, author
Oxford University Press, 2015
Buku Teks
Costello, Cathryn, author.
Oxford University Press, 2016
Buku Teks
Jan Erik Wetzel
Routledge, 2011
Buku Teks
edited by Maribel Gonzalez Pascual and Aida Torres Perez
Routledge, 2017
Buku Teks
Jesss Ballesteros
Springer, 2012
eBooks