Babatz, R., Bogen, M., & Ponkoke-Babatz, U. (1990). Elektronische Kommunikation - X.400 MHS. Vieweg.
Chicago Style (17th ed.) CitationBabatz, Robert, Manfred Bogen, and Uta Ponkoke-Babatz. Elektronische Kommunikation - X.400 MHS. Braunschweig: Vieweg, 1990.
MLA (9th ed.) CitationBabatz, Robert, et al. Elektronische Kommunikation - X.400 MHS. Vieweg, 1990.
Warning: These citations may not always be 100% accurate.