Drucker, P. F. (1981). Toward The Next Economics And Other Essays Peter F. Drucker. Harper & Row.
Čikaški stil citiranja (17. izdanje)Drucker, Peter F. Toward The Next Economics And Other Essays Peter F. Drucker. Harper & Row, 1981.
MLA način citiranja (8. izdanje)Drucker, Peter F. Toward The Next Economics And Other Essays Peter F. Drucker. Harper & Row, 1981.
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