Lyden, F. J., & Miller, E. G. (1968). Planning, programming, budgeting: A systems approach to management. Markham.
Lua i Stíl Chicago (17ú heag.)Lyden, Fremont J., agus Ernest G. Miller. Planning, Programming, Budgeting: A Systems Approach to Management. Chicago: Markham, 1968.
Lua MLA (9ú heag.)Lyden, Fremont J., agus Ernest G. Miller. Planning, Programming, Budgeting: A Systems Approach to Management. Markham, 1968.
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