Fujishin, R. (1996). The natural speaker (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Fujishin, Randy. The Natural Speaker. 2nd ed. Boston: Allyn and Bacon, 1996.
Cita MLA (9th ed.)Fujishin, Randy. The Natural Speaker. 2nd ed. Allyn and Bacon, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.