Gaya APA
DOBSON, J, M.
(2005).
EFFECTIVE TECHNIQUES FOR ENGLISH CONVERSATION GROUPS
(
4)
.
Sidoarjo:
Libraries Unlimited.
Gaya MLA
DOBSON, JULIA, M..
"EFFECTIVE TECHNIQUES FOR ENGLISH CONVERSATION GROUPS".
4
Sidoarjo:
Libraries Unlimited,
2005.
Text.