Παραπομπή σε μορφή APA (7η εκδ.)

Firbas, J. (1992). Functional sentence perspective in written and spoken communication. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Firbas, Jan. Functional Sentence Perspective in Written and Spoken Communication. Cambridge: Cambridge University Press, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Firbas, Jan. Functional Sentence Perspective in Written and Spoken Communication. Cambridge University Press, 1992.