Παραπομπή σε μορφή APA (7η εκδ.)

Hartnagel, H. (1969). Semiconductor plasma instabilities including gunn-effect and avalanche oscillations. Heinemann Educational Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hartnagel, Hans. Semiconductor Plasma Instabilities Including Gunn-effect and Avalanche Oscillations. London: Heinemann Educational Books, 1969.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hartnagel, Hans. Semiconductor Plasma Instabilities Including Gunn-effect and Avalanche Oscillations. Heinemann Educational Books, 1969.