Yancey, K. B., & Weiser, I. (1997). Situating portfolios: Four perspectives. Utah State University Press.
Lua i Stíl Chicago (17ú heag.)Yancey, Kathleen Blake, agus Irwin Weiser. Situating Portfolios: Four Perspectives. Logan, Utah: Utah State University Press, 1997.
Lua MLA (9ú heag.)Yancey, Kathleen Blake, agus Irwin Weiser. Situating Portfolios: Four Perspectives. Utah State University Press, 1997.
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