APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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