APA-viite (7. p.)
Standard and Poor's. Guide to Health Care, Pharmaceutical, and Biotech Stocks. McGraw-Hill.
Chicago-viite (17. p.)
Standard and Poor's. Guide to Health Care, Pharmaceutical, and Biotech Stocks. Nueva York, EUA: McGraw-Hill.
MLA-viite (9. p.)
Standard and Poor's. Guide to Health Care, Pharmaceutical, and Biotech Stocks. McGraw-Hill.
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