Upton, Penney (Personal Name)

Psychology express, 2011: eCIP t.p. (Penny Upton) bk. t.p. (Penney Upton)

Developmental psychology, 2011 : t.p. (Penney Upton)

Univ. of Worcester website, 14 June 2011 : (Penney Upton, Senior Lecturer, Psychological Sciences) http://www.worcester.ac.uk/discover/penney-upton.html