Blenkinsopp, A., & By, P.. (1998). Symptoms in the pharmacy: A guide to the management of common illness (3rd ed.). Blackwell.
Chicago-viite (17. p.)Blenkinsopp, Alison, ja Paxton By. Symptoms in the Pharmacy: A Guide to the Management of Common Illness. 3rd ed. London: Blackwell, 1998.
MLA-viite (9. p.)Blenkinsopp, Alison, ja Paxton By. Symptoms in the Pharmacy: A Guide to the Management of Common Illness. 3rd ed. Blackwell, 1998.
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