Urwick, L. (1947). The elements of administration (2nd.). Isaac Pitman.
Chicago-čujuhus (17. p.)Urwick, L. The Elements of Administration. 2nd. London: Isaac Pitman, 1947.
MLA-čujuhus (9. p.)Urwick, L. The Elements of Administration. 2nd. Isaac Pitman, 1947.
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