APA (7 ম সংস্করণ) উদ্ধৃতি

Drucker, P. F. (1989). The new realities: In government and politics-- , in economy and business-- , in society-- , and in world view. Heinemann Professional Publishing.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Drucker, Peter F. The New Realities: In Government and Politics-- , in Economy and Business-- , in Society-- , and in World View. Heinemann Professional Publishing, 1989.