Gaya APA
PRESTON, Dennis R.. (1996).
VARIETIES OF AMERICAN ENGLISH .
USA:
OFFICE OF ENGLISH.
Gaya Chicago
PRESTON, Dennis R..
VARIETIES OF AMERICAN ENGLISH.
USA:
OFFICE OF ENGLISH,
1996.
Text.
Gaya MLA
PRESTON, Dennis R..
VARIETIES OF AMERICAN ENGLISH.
USA:
OFFICE OF ENGLISH,
1996.
Text.
Gaya Turabian
PRESTON, Dennis R..
VARIETIES OF AMERICAN ENGLISH.
USA:
OFFICE OF ENGLISH,
1996.
Print.