Drucker, P. F. (1989). The new realities: In government and politics-- , in economy and business-- , in society-- , and in world view. Heinemann Professional Publishing.
Cytowanie według stylu Chicago (wyd. 17)Drucker, Peter F. The New Realities: In Government and Politics-- , in Economy and Business-- , in Society-- , and in World View. Oxford: Heinemann Professional Publishing, 1989.
Cytowanie według stylu MLA (wyd. 8)Drucker, Peter F. The New Realities: In Government and Politics-- , in Economy and Business-- , in Society-- , and in World View. Heinemann Professional Publishing, 1989.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..