APA-Zitierstil (7. Ausg.)

Hardy, P. (2022). ABAP to the future (4th edition, updated and revised.). Rheinwerk Publishing.

Chicago-Zitierstil (17. Ausg.)

Hardy, Paul. ABAP to the Future. 4th edition, updated and revised. Boston, MA: Rheinwerk Publishing, 2022.

MLA-Zitierstil (9. Ausg.)

Hardy, Paul. ABAP to the Future. 4th edition, updated and revised. Rheinwerk Publishing, 2022.