APA Style

Guth, Hans P.. (19--). American English Today : the world of english . New York: Mc Graw.

Chicago Style

Guth, Hans P.. American English Today : the world of english. New York: Mc Graw, 19--. Buku.

MLA Style

Guth, Hans P.. American English Today : the world of english. New York: Mc Graw, 19--. Buku.

Turabian Style

Guth, Hans P.. American English Today : the world of english. New York: Mc Graw, 19--. Buku.