Johnson David & Sandmire David. (2004). Medical Tests That Can Save Your Life. United States Of America Rodale Inc.
Chicago-viite (17. p.)Johnson David ja Sandmire David. Medical Tests That Can Save Your Life. USA: United States Of America Rodale Inc, 2004.
MLA-viite (9. p.)Johnson David ja Sandmire David. Medical Tests That Can Save Your Life. United States Of America Rodale Inc, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.