APA (7th ed.) Citation

Flasche, U., & Posada-Medrano, G. D. (1989). MS-EXCEL unter Windows. Addison-Wesley.

Chicago Style (17th ed.) Citation

Flasche, Ulrich, and German D. Posada-Medrano. MS-EXCEL Unter Windows. Bonn <<[u.a.]>>: Addison-Wesley, 1989.

MLA (9th ed.) Citation

Flasche, Ulrich, and German D. Posada-Medrano. MS-EXCEL Unter Windows. Addison-Wesley, 1989.

Warning: These citations may not always be 100% accurate.