Singer, H. (2004). Spreadsheets made simple for administrators, teachers, and school board members. ScarecrowEducation.
Chicago-Zitierstil (17. Ausg.)Singer, Harvey. Spreadsheets Made Simple for Administrators, Teachers, and School Board Members. Lanham, Md. [u.a.]: ScarecrowEducation, 2004.
MLA-Zitierstil (9. Ausg.)Singer, Harvey. Spreadsheets Made Simple for Administrators, Teachers, and School Board Members. ScarecrowEducation, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.