Παραπομπή σε μορφή APA (7η εκδ.)

Nordin, U. (1977). The trachea and cuff-induced tracheal injury: An experimental study on causative factors and prevention. [χ.ό.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nordin, Ulf. The Trachea and Cuff-induced Tracheal Injury: An Experimental Study on Causative Factors and Prevention. Uppsala: [χ.ό.], 1977.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nordin, Ulf. The Trachea and Cuff-induced Tracheal Injury: An Experimental Study on Causative Factors and Prevention. [χ.ό.], 1977.