Gaya APA
Richards, Jack C, Long, Mike N. (1989).
Breakthrough A Course In English Communication Practice (ed.1; cet.1).
New York:
OXFORD.
Gaya Chicago
Richards, Jack C, Long, Mike N.
Breakthrough A Course In English Communication Practice.
ed.1; cet.1
New York:
OXFORD,
1989.
Text.
Gaya MLA
Richards, Jack C, Long, Mike N.
Breakthrough A Course In English Communication Practice.
ed.1; cet.1
New York:
OXFORD,
1989.
Text.
Gaya Turabian
Richards, Jack C, Long, Mike N.
Breakthrough A Course In English Communication Practice.
ed.1; cet.1
New York:
OXFORD,
1989.
Print.