APA Style
Yule,George. (1999).
The Study of Language .
:
Cambridge Uni..
Chicago Style
Yule,George.
The Study of Language.
:
Cambridge Uni.,
1999.
.
MLA Style
Yule,George.
The Study of Language.
:
Cambridge Uni.,
1999.
.
Turabian Style
Yule,George.
The Study of Language.
:
Cambridge Uni.,
1999.
.