APA Style
Ur,Penny. (1981).
Discussion that works (_).
:
Cambridge uni press.
Chicago Style
Ur,Penny.
Discussion that works.
_
:
Cambridge uni press,
1981.
.
MLA Style
Ur,Penny.
Discussion that works.
_
:
Cambridge uni press,
1981.
.
Turabian Style
Ur,Penny.
Discussion that works.
_
:
Cambridge uni press,
1981.
.