Cita APA (7th ed.)
Everyday English For Technical Students (Mechanical engineering, metallurgy and transport department).
Cita Chicago (17th ed.)Everyday English For Technical Students (Mechanical Engineering, Metallurgy and Transport Department).
Cita MLA (8th ed.)Everyday English For Technical Students (Mechanical Engineering, Metallurgy and Transport Department).
Atenció: Aquestes cites poden no estar 100% correctes.