Plenum Publishing Corporation, 1991
Majalah, Jurnal, Buletin
Manila : PACERS, 2007,
Majalah, Jurnal, Buletin
The British Psychological Society, 2018
Majalah, Jurnal, Buletin
The British Psychological Society, 2018
Majalah, Jurnal, Buletin
The Australian Psychology Society Limited,
Majalah, Jurnal, Buletin