Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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