Hough, L. (1970). Modern research for administrative decisions. Prentice-Hall.
Chicago-čujuhus (17. p.)Hough, Louis. Modern Research for Administrative Decisions. Englewood Cliffs: Prentice-Hall, 1970.
MLA-čujuhus (9. p.)Hough, Louis. Modern Research for Administrative Decisions. Prentice-Hall, 1970.
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