Vonk, M. E., Tripodi, T., & Epstein, I. (2007). Research techniques for clinical social workers (2nd ed.). Columbia University Press.
Citace podle Chicago (17th ed.)Vonk, M. Elizabeth, Tony Tripodi, a Irwin Epstein. Research Techniques for Clinical Social Workers. 2nd ed. New York: Columbia University Press, 2007.
Citace podle MLA (9th ed.)Vonk, M. Elizabeth, et al. Research Techniques for Clinical Social Workers. 2nd ed. Columbia University Press, 2007.
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