W Douglas Piper. (1973). Introductory Pharmacology and Therapeutics. McGraw-Hill Book Company.
Čikaški stil citiranjaW Douglas Piper. Introductory Pharmacology and Therapeutics. McGraw-Hill Book Company, 1973.
MLA način citiranjaW Douglas Piper. Introductory Pharmacology and Therapeutics. McGraw-Hill Book Company, 1973.
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