Dubois, Brenda, 1949-, author
Allyn and Boston, 1992
Buku Teks
Miley, Karla Krogsrud, 1942-, author
Pearson, 2014
Buku Teks
Walter Lorenz and Ian Shaw, editors
Routledge, Taylor & Francis Group, 2017
Buku Teks
Walker, Hilary, author
Learning Matters Ltd., 2008
Buku Teks
Teena Clouston, author
Wiley, 2010
Buku Teks