Gaya APA
Sayles, L, R. (1979).
Leadership: what effective really do ... and how they do it (1979).
:
New York : McGraw Hill Inc.,.
Gaya MLA
Sayles, Leonard, R.
"Leadership: what effective really do ... and how they do it".
1979
:
New York : McGraw Hill Inc.,,
1979.
Text.