APA-referens (7:e uppl.)

Boyd, L. C. (1915). State registration for nurses (2d ed., enl.). W. B. Saunders company.

Chicago-referens (17:e uppl.)

Boyd, Louie Croft. State Registration for Nurses. 2d ed., enl. Philadelphia and London: W. B. Saunders company, 1915.

MLA-referens (8:e uppl.)

Boyd, Louie Croft. State Registration for Nurses. 2d ed., enl. W. B. Saunders company, 1915.