Gaya APA
DAVY, D. (1991).
LINGUAPHONE AVANCED ENGLISH COURSE STUDY PROGRAMMES .
LONDON:
INSTITUTE LIMITED, CARITON PLAZA, III UPPER.
Gaya MLA
DAVY, DEREK.
"LINGUAPHONE AVANCED ENGLISH COURSE STUDY PROGRAMMES".
LONDON:
INSTITUTE LIMITED, CARITON PLAZA, III UPPER,
1991.
Text.