Gaya APA
Waller, Joan. (1993).
IMPROVE YOUR SPOKEN ENGLISH .
Hong Kong:
Longman Publishing.
Gaya Chicago
Waller, Joan.
IMPROVE YOUR SPOKEN ENGLISH.
Hong Kong:
Longman Publishing,
1993.
Text.
Gaya MLA
Waller, Joan.
IMPROVE YOUR SPOKEN ENGLISH.
Hong Kong:
Longman Publishing,
1993.
Text.
Gaya Turabian
Waller, Joan.
IMPROVE YOUR SPOKEN ENGLISH.
Hong Kong:
Longman Publishing,
1993.
Print.