APA Style
Peale, Norman Vincent, عبدالحلیم شرر. ().
Power of the plus factor .
:
.
Chicago Style
Peale, Norman Vincent, عبدالحلیم شرر.
Power of the plus factor.
:
,
.
.
MLA Style
Peale, Norman Vincent, عبدالحلیم شرر.
Power of the plus factor.
:
,
.
.
Turabian Style
Peale, Norman Vincent, عبدالحلیم شرر.
Power of the plus factor.
:
,
.
.