Barry, A. K. (2002). English grammar: Language as human behavior (2nd ed.). Prentice Hall.
Cita Chicago (17th ed.)Barry, Anita K. English Grammar: Language as Human Behavior. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 2002.
Cita MLA (9th ed.)Barry, Anita K. English Grammar: Language as Human Behavior. 2nd ed. Prentice Hall, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.