Gaya APA
Guth, Hans Paul. (1975).
American English Today Our Changing Languange .
New York:
Mc.Graw Hill Book Company.
Gaya Chicago
Guth, Hans Paul.
American English Today Our Changing Languange.
New York:
Mc.Graw Hill Book Company,
1975.
Buku Teks.
Gaya MLA
Guth, Hans Paul.
American English Today Our Changing Languange.
New York:
Mc.Graw Hill Book Company,
1975.
Buku Teks.
Gaya Turabian
Guth, Hans Paul.
American English Today Our Changing Languange.
New York:
Mc.Graw Hill Book Company,
1975.
Buku Teks.