Cita APA

Harrison, M. (1995). Grammar spectrum: Pre-intermediate : with answers. New York: Oxford University Press.

Citación estilo Chicago

Harrison, Mark. Grammar Spectrum: Pre-intermediate : With Answers. New York: Oxford University Press, 1995.

Cita MLA

Harrison, Mark. Grammar Spectrum: Pre-intermediate : With Answers. New York: Oxford University Press, 1995.

Precaución: Estas citas no son 100% exactas.