Sulzby, E., Klein, M., Teale, W., & Hoffman, J. (1990). McGraw-Hill English. McGraw-Hill School Division.
Cita Chicago (17th ed.)Sulzby, Elizabeth, Marvin Klein, William Teale, i James Hoffman. McGraw-Hill English. New York: McGraw-Hill School Division, 1990.
Cita MLA (8th ed.)Sulzby, Elizabeth, et al. McGraw-Hill English. McGraw-Hill School Division, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.