APA-referens (7:e uppl.)
Wills, K. V., & Rice, R. A. (2013). Eportfolio performance support systems: Constructing, presenting, and assessing portfolios. The WAC Clearinghouse : Parlor Press.
Chicago-referens (17:e uppl.)
Wills, Katherine V., och Richard Aaron Rice. Eportfolio Performance Support Systems: Constructing, Presenting, and Assessing Portfolios. Fort Collins, Colorado ; Anderson, South Carolina: The WAC Clearinghouse : Parlor Press, 2013.
MLA-referens (9:e uppl.)
Wills, Katherine V., och Richard Aaron Rice. Eportfolio Performance Support Systems: Constructing, Presenting, and Assessing Portfolios. The WAC Clearinghouse : Parlor Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.