GERLING HEINRICH. (2006). ALL ABOUT MACHINE TOOLS. NEW AGE INTERNATIONAL PVT. LTD.
Čikaški stil citiranja (17. izdanje)GERLING HEINRICH. ALL ABOUT MACHINE TOOLS. NEW DELHI: NEW AGE INTERNATIONAL PVT. LTD, 2006.
MLA način citiranja (9. izdanje)GERLING HEINRICH. ALL ABOUT MACHINE TOOLS. NEW AGE INTERNATIONAL PVT. LTD, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.