Gaya APA
Roger, Derek, Bull, Peter. (1989).
Conversation : an interdisciplinary perspective .
Clevedon:
Multilingual Matters.
Gaya Chicago
Roger, Derek, Bull, Peter.
Conversation : an interdisciplinary perspective.
Clevedon:
Multilingual Matters,
1989.
Text.
Gaya MLA
Roger, Derek, Bull, Peter.
Conversation : an interdisciplinary perspective.
Clevedon:
Multilingual Matters,
1989.
Text.
Gaya Turabian
Roger, Derek, Bull, Peter.
Conversation : an interdisciplinary perspective.
Clevedon:
Multilingual Matters,
1989.
Print.