Gaya APA
Crystal, David. (1974).
What is lingustics ? (3rd ed).
USA:
Edward Arnold.
Gaya Chicago
Crystal, David.
What is lingustics ?.
3rd ed
USA:
Edward Arnold,
1974.
Text.
Gaya MLA
Crystal, David.
What is lingustics ?.
3rd ed
USA:
Edward Arnold,
1974.
Text.
Gaya Turabian
Crystal, David.
What is lingustics ?.
3rd ed
USA:
Edward Arnold,
1974.
Print.