Gaya APA
Words of wisdom business. (2008).
Jakarta:
Esensi.
Gaya Chicago
Words of wisdom business.
.
Jakarta:
Esensi,
2008.
Text.
Gaya MLA
Words of wisdom business.
.
Jakarta:
Esensi,
2008.
Text.
Gaya Turabian
Words of wisdom business.
Jakarta:
Esensi,
2008.
Print.