Goepp, R. M. (1929). Nurses' state board questions and answers (2d ed., rev. and enl.). W.B. Saunders company.
Chicago-referens (17:e uppl.)Goepp, Rudolph Max. Nurses' State Board Questions and Answers. 2d ed., rev. and enl. Philadelphia, London: W.B. Saunders company, 1929.
MLA-referens (8:e uppl.)Goepp, Rudolph Max. Nurses' State Board Questions and Answers. 2d ed., rev. and enl. W.B. Saunders company, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.