Coxhead, A., & Hirsch, D. (2007). A pilot science-specific word list.
Cita Chicago (17th ed.)Coxhead, Averil, i David Hirsch. A Pilot Science-specific Word List. 2007.
Cita MLA (8th ed.)Coxhead, Averil, i David Hirsch. A Pilot Science-specific Word List. 2007.
Atenció: Aquestes cites poden no estar 100% correctes.