APA Style
Tracy, Brian. (2014).
Leadership .
United State of America:
Amacom.
Chicago Style
Tracy, Brian.
Leadership.
United State of America:
Amacom,
2014.
Buku Teks.
MLA Style
Tracy, Brian.
Leadership.
United State of America:
Amacom,
2014.
Buku Teks.
Turabian Style
Tracy, Brian.
Leadership.
United State of America:
Amacom,
2014.
Buku Teks.