Watkins, F. C. (1979). English handbook. Houghton Mifflin Co.
Cita Chicago (17th ed.)Watkins, Floyd C. English Handbook. Atlanta: Houghton Mifflin Co, 1979.
Cita MLA (9th ed.)Watkins, Floyd C. English Handbook. Houghton Mifflin Co, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.