Bull, P., & Roger, D. (1988). Conversation: An interdisciplinary perspective. Multilingual Matters.
Cita Chicago (17th ed.)Bull, Peter, i Derek Roger. Conversation: An Interdisciplinary Perspective. Clevedon, England: Multilingual Matters, 1988.
Cita MLA (8th ed.)Bull, Peter, i Derek Roger. Conversation: An Interdisciplinary Perspective. Multilingual Matters, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.