Cita APA (7th ed.)
ebrary, Inc, Hasan, R., & Fries, P. H. (1995). On subject and theme: A discourse functional perspective. J. Benjamins.
Cita Chicago (17th ed.)
ebrary, Inc, Ruqaiya Hasan, i Peter Howard Fries. On Subject and Theme: A Discourse Functional Perspective. Amsterdam ; Philadelphia: J. Benjamins, 1995.
Cita MLA (9th ed.)
ebrary, Inc, et al. On Subject and Theme: A Discourse Functional Perspective. J. Benjamins, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.