Posner, R. Pragmatics: Roland Posner. [Semiotik, 1].(1997).
Cita Chicago (17th ed.)Posner, Roland. "Pragmatics: Roland Posner." [Semiotik, 1].(1997) .
Cita MLA (8th ed.)Posner, Roland. "Pragmatics: Roland Posner." [Semiotik, 1].(1997), .
Atenció: Aquestes cites poden no estar 100% correctes.