APA-referens

Drucker, P. F. (2009). Managing in a time of great change. Boston, Mass: Harvard Business Press.

Chicago-stil citat

Drucker, Peter F. Managing in a Time of Great Change. Boston, Mass: Harvard Business Press, 2009.

MLA-referens

Drucker, Peter F. Managing in a Time of Great Change. Boston, Mass: Harvard Business Press, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.