Gaya APA
Block 11: Classroom interaction. (1983).
Portsmouth:
The Open University.
Gaya Chicago
Block 11: Classroom interaction.
.
Portsmouth:
The Open University,
1983.
Buku.
Gaya MLA
Block 11: Classroom interaction.
.
Portsmouth:
The Open University,
1983.
Buku.
Gaya Turabian
Block 11: Classroom interaction.
Portsmouth:
The Open University,
1983.
Buku.