APA Style
Babbie, Earl, حسن ، حسن ابراہیم. ().
The Practice of Social Research .
:
.
Chicago Style
Babbie, Earl, حسن ، حسن ابراہیم.
The Practice of Social Research.
:
,
.
.
MLA Style
Babbie, Earl, حسن ، حسن ابراہیم.
The Practice of Social Research.
:
,
.
.
Turabian Style
Babbie, Earl, حسن ، حسن ابراہیم.
The Practice of Social Research.
:
,
.
.