Peters, D., & Vogel, G. (1990). Programmierleitfaden Microsoft EXCEL: Version 2.10. Vieweg.
Chicago Style (17th ed.) CitationPeters, Dieter, and Gertrud Vogel. Programmierleitfaden Microsoft EXCEL: Version 2.10. Braunschweig: Vieweg, 1990.
MLA (9th ed.) CitationPeters, Dieter, and Gertrud Vogel. Programmierleitfaden Microsoft EXCEL: Version 2.10. Vieweg, 1990.
Warning: These citations may not always be 100% accurate.