Lua APA (7ú heag.)

Drucker, P. F. (2009). Management Cases (Revise.). Collins Business.

Lua i Stíl Chicago (17ú heag.)

Drucker, Peter F. Management Cases. Revise. New York: Collins Business, 2009.

Lua MLA (9ú heag.)

Drucker, Peter F. Management Cases. Revise. Collins Business, 2009.

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