APA Style
Watkins, Mike. (1990).
Practise Your Modal Verbs (-).
England:
Longman Group UK Limited.
Chicago Style
Watkins, Mike.
Practise Your Modal Verbs.
-
England:
Longman Group UK Limited,
1990.
Text.
MLA Style
Watkins, Mike.
Practise Your Modal Verbs.
-
England:
Longman Group UK Limited,
1990.
Text.
Turabian Style
Watkins, Mike.
Practise Your Modal Verbs.
-
England:
Longman Group UK Limited,
1990.
Print.