Gaya APA
Covey, Stephen R. (2012).
The Leader in me .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Covey, Stephen R.
The Leader in me.
Jakarta:
Gramedia Pustaka Utama,
2012.
Text.
Gaya MLA
Covey, Stephen R.
The Leader in me.
Jakarta:
Gramedia Pustaka Utama,
2012.
Text.
Gaya Turabian
Covey, Stephen R.
The Leader in me.
Jakarta:
Gramedia Pustaka Utama,
2012.
Print.