Gaya APA
Guide to English Language Programs. (1999).
Princeton:
Peterson\'s.
Gaya Chicago
Guide to English Language Programs.
.
Princeton:
Peterson\'s,
1999.
Buku.
Gaya MLA
Guide to English Language Programs.
.
Princeton:
Peterson\'s,
1999.
Buku.
Gaya Turabian
Guide to English Language Programs.
Princeton:
Peterson\'s,
1999.
Buku.