APA-viite (7. p.)

Howard, D. (2007). A need for a simplified approach to venous thromboembolism prophylaxis in acute medical inpatients.

Chicago-viite (17. p.)

Howard, D. A Need for a Simplified Approach to Venous Thromboembolism Prophylaxis in Acute Medical Inpatients. 2007.

MLA-viite (9. p.)

Howard, D. A Need for a Simplified Approach to Venous Thromboembolism Prophylaxis in Acute Medical Inpatients. 2007.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.