APA-referens (7:e uppl.)

Allen, D. N. d. G. (1954). Relaxation methods. McGraw-Hill.

Chicago-referens (17:e uppl.)

Allen, Deryck Norman de Garrs. Relaxation Methods. New York: McGraw-Hill, 1954.

MLA-referens (9:e uppl.)

Allen, Deryck Norman de Garrs. Relaxation Methods. McGraw-Hill, 1954.