Gaya APA
Harvard Business Review : Focused Leaders. (2013).
Jakarta:
SAS.
Gaya Chicago
Harvard Business Review : Focused Leaders.
.
Jakarta:
SAS,
2013.
.
Gaya MLA
Harvard Business Review : Focused Leaders.
.
Jakarta:
SAS,
2013.
.
Gaya Turabian
Harvard Business Review : Focused Leaders.
Jakarta:
SAS,
2013.
.