Gaya APA
Richards, J. C., Long, M. N.. (1984).
Breakthrough a Course in English Communication Practice .
Oxford:
Oxford University Press.
Gaya Chicago
Richards, J. C., Long, M. N..
Breakthrough a Course in English Communication Practice.
Oxford:
Oxford University Press,
1984.
Text.
Gaya MLA
Richards, J. C., Long, M. N..
Breakthrough a Course in English Communication Practice.
Oxford:
Oxford University Press,
1984.
Text.
Gaya Turabian
Richards, J. C., Long, M. N..
Breakthrough a Course in English Communication Practice.
Oxford:
Oxford University Press,
1984.
Print.