Langacker, R. W. (2000). Grammar and conceptualization. Walter de Gruyter.
Cita Chicago (17th ed.)Langacker, Ronald W. Grammar and Conceptualization. Berlín: Walter de Gruyter, 2000.
Cita MLA (9th ed.)Langacker, Ronald W. Grammar and Conceptualization. Walter de Gruyter, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.