APA Style
Covey, Stephen R. Dkk. (1994).
First Things First .
London:
Great Britain.
Chicago Style
Covey, Stephen R. Dkk.
First Things First.
London:
Great Britain,
1994.
Text.
MLA Style
Covey, Stephen R. Dkk.
First Things First.
London:
Great Britain,
1994.
Text.
Turabian Style
Covey, Stephen R. Dkk.
First Things First.
London:
Great Britain,
1994.
Print.