Sang, B., Warshow, J., & Smith, A. J. (1991). Lesbians at midlife: The creative transition. San Francisco: Spinsters Book Company.
Lua i Stíl Chicago (17ú heag.)Sang, Barbara, Joyce Warshow, agus Adrienne J. Smith. Lesbians at Midlife: The Creative Transition. San Francisco: Spinsters Book Company, 1991.
Lua MLA (8ú heag.)Sang, Barbara, et al. Lesbians at Midlife: The Creative Transition. San Francisco: Spinsters Book Company, 1991.
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