Cita APA (7a ed.)

Langan, J. (2001). Sentence skills with readings (second edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Langan, John. Sentence Skills with Readings. second edition. Boston: McGraw-Hill, 2001.

Cita MLA (8a ed.)

Langan, John. Sentence Skills with Readings. second edition. McGraw-Hill, 2001.

Precaución: Estas citas no son 100% exactas.