Gaya APA
Ur, Penny. (2007).
Grammar Practice Activities: A practical guide for teachers (22nd printing, 2007 (First published 1988)).
Cambridge:
Cambridge University Press.
Gaya Chicago
Ur, Penny.
Grammar Practice Activities: A practical guide for teachers.
22nd printing, 2007 (First published 1988)
Cambridge:
Cambridge University Press,
2007.
Text.
Gaya MLA
Ur, Penny.
Grammar Practice Activities: A practical guide for teachers.
22nd printing, 2007 (First published 1988)
Cambridge:
Cambridge University Press,
2007.
Text.
Gaya Turabian
Ur, Penny.
Grammar Practice Activities: A practical guide for teachers.
22nd printing, 2007 (First published 1988)
Cambridge:
Cambridge University Press,
2007.
Print.