Kydd, Andrew H., 1963-, author
Cambridge University Press, 2015
Buku Teks
Mesterton-Gibbons, Michael
Addison-Wesley, 1991
Buku Teks
Shoham, Yoav, author
Cambridge University Press, 2009
Buku Teks
Dibben, Pauline, author
Chartered Institute of Personnel and Development, 2011
Buku Teks
Guillaume, Xavier. author
Routledge, 2011
Buku Teks