APA-čujuhus (7. p.)
ebrary, Inc, Hasan, R., & Fries, P. H. (1995). On subject and theme: A discourse functional perspective. J. Benjamins.
Chicago-čujuhus (17. p.)
ebrary, Inc, Ruqaiya Hasan, juo Peter Howard Fries. On Subject and Theme: A Discourse Functional Perspective. Amsterdam ; Philadelphia: J. Benjamins, 1995.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. On Subject and Theme: A Discourse Functional Perspective. J. Benjamins, 1995.
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