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 (8th ed.)

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