Gaya APA
Ur, Penny. (1981).
Discussions That Work ; Task-Centred Fluency Practice .
New York:
Cambridge Univ.Press.
Gaya Chicago
Ur, Penny.
Discussions That Work ; Task-Centred Fluency Practice.
New York:
Cambridge Univ.Press,
1981.
Buku.
Gaya MLA
Ur, Penny.
Discussions That Work ; Task-Centred Fluency Practice.
New York:
Cambridge Univ.Press,
1981.
Buku.
Gaya Turabian
Ur, Penny.
Discussions That Work ; Task-Centred Fluency Practice.
New York:
Cambridge Univ.Press,
1981.
Buku.