Gaya APA
O'Dell, M, M, F. (1994).
ENGLISH VOCABULARY IN USE UPPER-INTERTEMEDIATE & ADVANCED .
Cambridge:
Cambridge University Press.
Gaya MLA
O'Dell, Michael, McCarthy;, Felicity.
"ENGLISH VOCABULARY IN USE UPPER-INTERTEMEDIATE & ADVANCED".
Cambridge:
Cambridge University Press,
1994.
BK.