APA Style
Covey, Stephen R.. (2013).
7 habits of highly effective people: powerful lessons in personal change (25th anniversary edition.).
nyu:
.
Chicago Style
Covey, Stephen R..
7 habits of highly effective people: powerful lessons in personal change.
25th anniversary edition.
nyu:
,
2013.
print.
MLA Style
Covey, Stephen R..
7 habits of highly effective people: powerful lessons in personal change.
25th anniversary edition.
nyu:
,
2013.
print.
Turabian Style
Covey, Stephen R..
7 habits of highly effective people: powerful lessons in personal change.
25th anniversary edition.
nyu:
,
2013.
print.