Wright, M., & Patel, M. (2000). How things work today (A Marshall edition.). Marshall Editions Ltd.
Cita Chicago (17th ed.)Wright, Michael, i Mukul Patel. How Things Work Today. A Marshall edition. London: Marshall Editions Ltd, 2000.
Cita MLA (9th ed.)Wright, Michael, i Mukul Patel. How Things Work Today. A Marshall edition. Marshall Editions Ltd, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.