Wills, K. V., & Rice, R. (2013). ePortfolio Performance Support Systems: Constructing, Presenting, and Assessing Portfolios. WAC Clearinghouse.
Chicago-čujuhus (17. p.)Wills, Katherine V., juo Rich Rice. EPortfolio Performance Support Systems: Constructing, Presenting, and Assessing Portfolios. [Place of publication not identified]: WAC Clearinghouse, 2013.
MLA-čujuhus (9. p.)Wills, Katherine V., juo Rich Rice. EPortfolio Performance Support Systems: Constructing, Presenting, and Assessing Portfolios. WAC Clearinghouse, 2013.
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