Gaya APA
Tracy, Brian. (2014).
Leadership .
New York:
America Management Association(AMACOM).
Gaya Chicago
Tracy, Brian.
Leadership.
New York:
America Management Association(AMACOM),
2014.
.
Gaya MLA
Tracy, Brian.
Leadership.
New York:
America Management Association(AMACOM),
2014.
.
Gaya Turabian
Tracy, Brian.
Leadership.
New York:
America Management Association(AMACOM),
2014.
.