APA-viite (7. p.)

Langan, J. (1988). English skills with readings (3rd ed.). McGraw hill.

Chicago-viite (17. p.)

Langan, John. English Skills with Readings. 3rd ed. New York: McGraw hill, 1988.

MLA-viite (9. p.)

Langan, John. English Skills with Readings. 3rd ed. McGraw hill, 1988.