Gaya APA
Cross, Carole. (1989).
Look at the US : book 2 .
New York:
McGraw Hill.
Gaya Chicago
Cross, Carole.
Look at the US : book 2.
New York:
McGraw Hill,
1989.
Buku Tercetak.
Gaya MLA
Cross, Carole.
Look at the US : book 2.
New York:
McGraw Hill,
1989.
Buku Tercetak.
Gaya Turabian
Cross, Carole.
Look at the US : book 2.
New York:
McGraw Hill,
1989.
Buku Tercetak.