Παραπομπή σε μορφή APA (7η εκδ.)

Johnstone, B. (1991). Repetition in arabic discourse: Paradigms, syntagms, and the ecology of language. John Benjamin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnstone, Barbara. Repetition in Arabic Discourse: Paradigms, Syntagms, and the Ecology of Language. Amsterdam: John Benjamin, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Johnstone, Barbara. Repetition in Arabic Discourse: Paradigms, Syntagms, and the Ecology of Language. John Benjamin, 1991.