edited by George Houghton
Psychology Press, 2005
Buku Teks
Wynn, Thomas Grant
Oxford University Press, 2016
eBooks
by Rob Ranyard [and others]; edited by Rob Ranyard, W. Ray Crozier and Ola Svenson
Routledge , 1997
Buku Teks
Springer International Publishing AG, 2019
eBooks
Farkas, Beata
Palgrave Macmillan, 2016
Buku Teks