O' Brien Terry. (2011). A2Z Book Of Word Origins (NA.). Rupa.
Cita Chicago (17th ed.)O' Brien Terry. A2Z Book Of Word Origins. NA. New delhi: Rupa, 2011.
Cita MLA (9th ed.)O' Brien Terry. A2Z Book Of Word Origins. NA. Rupa, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.