APA-čujuhus (7. p.)
ebrary, Inc, Ver Ploeg, M., Moffit, R. A., & Citro, C. F. (2002). Studies of welfare populations: Data collection and research issues. National Academy Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, Michele Ver Ploeg, Robert A. Moffit, juo Constance F. Citro. Studies of Welfare Populations: Data Collection and Research Issues. Washington, DC: National Academy Press, 2002.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Studies of Welfare Populations: Data Collection and Research Issues. National Academy Press, 2002.
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