APA Style
Donnell, W. R. O. (1980).
Variety in contemporary English (_).
:
George Allan & unminc Ltd..
Chicago Style
Donnell, W. R. O.
Variety in contemporary English.
_
:
George Allan & unminc Ltd.,
1980.
.
MLA Style
Donnell, W. R. O.
Variety in contemporary English.
_
:
George Allan & unminc Ltd.,
1980.
.
Turabian Style
Donnell, W. R. O.
Variety in contemporary English.
_
:
George Allan & unminc Ltd.,
1980.
.