APA Style
Leech, Geoffrey. (1992).
Introducing English Grammar .
London:
Penguin English.
Chicago Style
Leech, Geoffrey.
Introducing English Grammar.
London:
Penguin English,
1992.
Text.
MLA Style
Leech, Geoffrey.
Introducing English Grammar.
London:
Penguin English,
1992.
Text.
Turabian Style
Leech, Geoffrey.
Introducing English Grammar.
London:
Penguin English,
1992.
Print.