APA Style
Covey, Stephen R.. (2016).
Primary Greatness .
:
.
Chicago Style
Covey, Stephen R..
Primary Greatness.
:
,
2016.
Text.
MLA Style
Covey, Stephen R..
Primary Greatness.
:
,
2016.
Text.
Turabian Style
Covey, Stephen R..
Primary Greatness.
:
,
2016.
Print.