Powers, G. T. (1985). Practice focused research: Integrating human service practice and research. Prentice-Hall.
Citace podle Chicago (17th ed.)Powers, Gerald T. Practice Focused Research: Integrating Human Service Practice and Research. Englewood Cliffs, N. J: Prentice-Hall, 1985.
Citace podle MLA (9th ed.)Powers, Gerald T. Practice Focused Research: Integrating Human Service Practice and Research. Prentice-Hall, 1985.
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