APA-viite (7. p.)

Langan, J. (1981). English Skills (2nd ed.). McGraw-Hill.

Chicago-viite (17. p.)

Langan, John. English Skills. 2nd ed. New York: McGraw-Hill, 1981.

MLA-viite (9. p.)

Langan, John. English Skills. 2nd ed. McGraw-Hill, 1981.