Willis, R. J. B., & Marshall, D. (2005). The AIDS pandemic. Stanborough Press.
Chicago-čujuhus (17. p.)Willis, Richard J. B., juo David Marshall. The AIDS Pandemic. Grantham: Stanborough Press, 2005.
MLA-čujuhus (9. p.)Willis, Richard J. B., juo David Marshall. The AIDS Pandemic. Stanborough Press, 2005.
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