APA Style
SWAN, Michael. (1980).
Practical English usage .
Oxford:
198.
Chicago Style
SWAN, Michael.
Practical English usage.
Oxford:
198,
1980.
Text.
MLA Style
SWAN, Michael.
Practical English usage.
Oxford:
198,
1980.
Text.
Turabian Style
SWAN, Michael.
Practical English usage.
Oxford:
198,
1980.
Print.