APA način citiranja (7. izdanje)
Everyday English For Technical Students (Mechanical engineering, metallurgy and transport department).
Čikaški stil citiranja (17. izdanje)Everyday English For Technical Students (Mechanical Engineering, Metallurgy and Transport Department).
MLA način citiranja (8. izdanje)Everyday English For Technical Students (Mechanical Engineering, Metallurgy and Transport Department).
Upozorenje: Ovi citati možda nisu uvijek 100% točni.