Gaya APA
Richards, Jack C.. (2010).
Interchange: Workbook 1 (3rd Edition).
Cambridge:
Cambridge University Press.
Gaya Chicago
Richards, Jack C..
Interchange: Workbook 1.
3rd Edition
Cambridge:
Cambridge University Press,
2010.
Text.
Gaya MLA
Richards, Jack C..
Interchange: Workbook 1.
3rd Edition
Cambridge:
Cambridge University Press,
2010.
Text.
Gaya Turabian
Richards, Jack C..
Interchange: Workbook 1.
3rd Edition
Cambridge:
Cambridge University Press,
2010.
Print.