Gaya APA
Generation 2000 Student's Book 1. (1994).
Oxford:
Heinemann.
Gaya Chicago
Generation 2000 Student's Book 1.
.
Oxford:
Heinemann,
1994.
Buku.
Gaya MLA
Generation 2000 Student's Book 1.
.
Oxford:
Heinemann,
1994.
Buku.
Gaya Turabian
Generation 2000 Student's Book 1.
Oxford:
Heinemann,
1994.
Buku.