APA-referens (7:e uppl.)

Harvard health publications. Ask Harvard Medical School video series. Belvoir Media Group, LLC.

Chicago-referens (17:e uppl.)

Harvard Health Publications. Ask Harvard Medical School Video Series. Norwalk, Connecticut: Belvoir Media Group, LLC.

MLA-referens (9:e uppl.)

Harvard Health Publications. Ask Harvard Medical School Video Series. Belvoir Media Group, LLC.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.