Gaya APA
Comprehension Orale: niveau 1. (2007).
Sejer:
CLE International.
Gaya Chicago
Comprehension Orale: niveau 1.
.
Sejer:
CLE International,
2007.
CD Buku.
Gaya MLA
Comprehension Orale: niveau 1.
.
Sejer:
CLE International,
2007.
CD Buku.
Gaya Turabian
Comprehension Orale: niveau 1.
Sejer:
CLE International,
2007.
CD Buku.