Gatterman, Meridel I., author
Elsevier Mosby, 2012
Buku Teks
John Wiley & Sons, 2008
eBooks
edited by Jonathan K. Foster
Psychology Press, 1999
Buku Teks
editors, Francisco de Asís Bravo-Rodríguez, Rocío Díaz-Aguilera, Luiz Celso Hygino da Cruz
Springer, 2012
eBooks
Joshua Deacon, author
2016
UI - Makalah dan Kertas Kerja