House, H. C., & Harman, S. E. (1950). Descriptive English grammar (2d ed.). Prentice-Hall.
Cita Chicago (17th ed.)House, Homer Clyde, i Susan Emolyn Harman. Descriptive English Grammar. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1950.
Cita MLA (9th ed.)House, Homer Clyde, i Susan Emolyn Harman. Descriptive English Grammar. 2d ed. Prentice-Hall, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.