APA-referens (7:e uppl.)

Langan, J. (2010). Reading and study skills (10th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Langan, John. Reading and Study Skills. 10th ed. New York: McGraw-Hill, 2010.

MLA-referens (9:e uppl.)

Langan, John. Reading and Study Skills. 10th ed. McGraw-Hill, 2010.