[edited by] Aubrey Sheiham ... [and others]
Quintessence Editora, 2014
Buku Teks
Ewles, Linda, author
Scutari Press, 1995
Buku Referensi
Bailliere Tindall , 2001
Buku Teks
edited by Cathy E. Lloyd ... [and others]
SAGE Publications, 2007
Buku Teks
Milio, Nancy, author
Davis, 1983
Buku Teks