Citazione Stile APA (7a Edizione)
Everyday English For Technical Students (Mechanical engineering, metallurgy and transport department).
Citazione stile Chigago Style (17a edizione)Everyday English For Technical Students (Mechanical Engineering, Metallurgy and Transport Department).
Citatione MLA (8a ed.)Everyday English For Technical Students (Mechanical Engineering, Metallurgy and Transport Department).
Attenzione: Queste citazioni potrebbero non essere precise al 100%.