APA-referens (7:e uppl.)

Langan, J. (2002). Student CD-ROM to accompany Reading and Study Skills (séptima edición.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Langan, John. Student CD-ROM to Accompany Reading and Study Skills. séptima edición. Boston, MA: McGraw-Hill, 2002.

MLA-referens (9:e uppl.)

Langan, John. Student CD-ROM to Accompany Reading and Study Skills. séptima edición. McGraw-Hill, 2002.