Cita APA (7th ed.)
ebrary, Inc, Ver Ploeg, M., Moffit, R. A., & Citro, C. F. (2002). Studies of welfare populations: Data collection and research issues. National Academy Press.
Cita Chicago (17th ed.)
ebrary, Inc, Michele Ver Ploeg, Robert A. Moffit, i Constance F. Citro. Studies of Welfare Populations: Data Collection and Research Issues. Washington, DC: National Academy Press, 2002.
Cita MLA (9th ed.)
ebrary, Inc, et al. Studies of Welfare Populations: Data Collection and Research Issues. National Academy Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.