APA Style
Khan, Irfan Ahmad, Booher, Dianna.. ().
Winning Sales Letters. .
:
.
Chicago Style
Khan, Irfan Ahmad, Booher, Dianna..
Winning Sales Letters..
:
,
.
.
MLA Style
Khan, Irfan Ahmad, Booher, Dianna..
Winning Sales Letters..
:
,
.
.
Turabian Style
Khan, Irfan Ahmad, Booher, Dianna..
Winning Sales Letters..
:
,
.
.