Gaya APA
Covey, Stephen R., Merrill, A.Roger, Merrill, Rebecca.R. (1994).
First Things First .
New York:
Simon & Schuster.
Gaya Chicago
Covey, Stephen R., Merrill, A.Roger, Merrill, Rebecca.R.
First Things First.
New York:
Simon & Schuster,
1994.
Text.
Gaya MLA
Covey, Stephen R., Merrill, A.Roger, Merrill, Rebecca.R.
First Things First.
New York:
Simon & Schuster,
1994.
Text.
Gaya Turabian
Covey, Stephen R., Merrill, A.Roger, Merrill, Rebecca.R.
First Things First.
New York:
Simon & Schuster,
1994.
Print.