Office of Research and Publications Loyola Schools,
Majalah, Jurnal, Buletin
Prentice-Hall, 1970
Buku Teks
edited, Bridget Somekh, Cathy Lewin
Sage Publications , 2005
Buku Teks
Kwansei Gakuin University,
Majalah, Jurnal, Buletin
Bartholomae, David J.
John Wiley & Sons, 1981
Buku Teks