Παραπομπή σε μορφή APA (7η εκδ.)

Freund, H., & Umbach, E. (1993). Adsorption on ordered surfaces of ionic solids and thin films: Proceedings of the 106th WE-Heraeus Seminar, Bad Honnef, Germany, February 15-18, 1993. Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Freund, Hans-Joachim, και Eberhard Umbach. Adsorption on Ordered Surfaces of Ionic Solids and Thin Films: Proceedings of the 106th WE-Heraeus Seminar, Bad Honnef, Germany, February 15-18, 1993. Berlin: Springer-Verlag, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Freund, Hans-Joachim, και Eberhard Umbach. Adsorption on Ordered Surfaces of Ionic Solids and Thin Films: Proceedings of the 106th WE-Heraeus Seminar, Bad Honnef, Germany, February 15-18, 1993. Springer-Verlag, 1993.