Cita APA (7th ed.)

Langan, J. (2001). Sentence skills with readings (Second Edition.). McGraw Hill.

Cita Chicago (17th ed.)

Langan, John. Sentence Skills with Readings. Second Edition. Boston: McGraw Hill, 2001.

Cita MLA (9th ed.)

Langan, John. Sentence Skills with Readings. Second Edition. McGraw Hill, 2001.