Gaya APA
Freeborn, D., Langford,David, . (1986).
Farities of English : An Introduction to the Study of Language .
London:
Macmillan Education.
Gaya MLA
Freeborn, Dennis., Langford,David, .
"Farities of English : An Introduction to the Study of Language".
London:
Macmillan Education,
1986.
Text.