APA (7th ed.) Citation

Färber, G., & Kirchner, J. (2011). ABAP basics (2. ed., updated and rev.). Galileo Press.

Chicago Style (17th ed.) Citation

Färber, Günther, and Julia Kirchner. ABAP Basics. 2. ed., updated and rev. Boston [u.a.]: Galileo Press, 2011.

MLA (9th ed.) Citation

Färber, Günther, and Julia Kirchner. ABAP Basics. 2. ed., updated and rev. Galileo Press, 2011.