APA-čujuhus (7. p.)

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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