Lua APA (7ú heag.)
Bennis, W. G. (2009). On becoming a leader: [the leadership classic] (Twentieth anniversary ed.). Perseus Pub..
Lua i Stíl Chicago (17ú heag.)
Bennis, Warren G. On Becoming a Leader: [the Leadership Classic]. Twentieth anniversary ed. Cambridge, MA: Perseus Pub., 2009.
Lua MLA (9ú heag.)
Bennis, Warren G. On Becoming a Leader: [the Leadership Classic]. Twentieth anniversary ed. Perseus Pub., 2009.
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