ANGELL MARCIA. (2004). THE TRUTH ABOUT THE DRUG COMPANIES: HOW THEY DEC. RANDOM HOUSE.
Chicago-viite (17. p.)ANGELL MARCIA. THE TRUTH ABOUT THE DRUG COMPANIES: HOW THEY DEC. NEW YORK: RANDOM HOUSE, 2004.
MLA-viite (9. p.)ANGELL MARCIA. THE TRUTH ABOUT THE DRUG COMPANIES: HOW THEY DEC. RANDOM HOUSE, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.