Froehle, B., Perri, D. J., & Wittberg, P. (1997). Sisters of the Americas: Pathways towards the future : final report, November, 1997.
Lua i Stíl Chicago (17ú heag.)Froehle, Bryan, Dominic J. Perri, agus Patricia Wittberg. Sisters of the Americas: Pathways Towards the Future : Final Report, November, 1997. 1997.
Lua MLA (8ú heag.)Froehle, Bryan, et al. Sisters of the Americas: Pathways Towards the Future : Final Report, November, 1997. 1997.
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