Harber, H. L. (1970). Teaching reading in content areas. Prentice-Hall.
Cita Chicago (17th ed.)Harber, Harold L. Teaching Reading in Content Areas. Englewood Cliffs, NJ: Prentice-Hall, 1970.
Cita MLA (9th ed.)Harber, Harold L. Teaching Reading in Content Areas. Prentice-Hall, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.