APA-Zitierstil (7. Ausg.)

Held, B. (2011). Microsoft Excel functions & formulas (2nd ed.). Mercury Learning and Information.

Chicago-Zitierstil (17. Ausg.)

Held, Bernd. Microsoft Excel Functions & Formulas. 2nd ed. Dulles, Virginia: Mercury Learning and Information, 2011.

MLA-Zitierstil (9. Ausg.)

Held, Bernd. Microsoft Excel Functions & Formulas. 2nd ed. Mercury Learning and Information, 2011.