Cita APA (7th ed.)
ebrary, Inc, Frawley, W., Eschenroeder, E., Mills, S., & Nguyen, T. (2006). The expression of modality. Mouton de Gruyter.
Cita Chicago (17th ed.)
ebrary, Inc, William Frawley, Erin Eschenroeder, Sarah Mills, i Thao Nguyen. The Expression of Modality. Berlin ; New York: Mouton de Gruyter, 2006.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Expression of Modality. Mouton de Gruyter, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.