Pearson, C. W. (1926). Drug store business methods: A text-book on commercial pharmacy. Lea & Febiger.
Lua i Stíl Chicago (17ú heag.)Pearson, Charles W. Drug Store Business Methods: A Text-book on Commercial Pharmacy. Philadelphia, New York: Lea & Febiger, 1926.
Lua MLA (8ú heag.)Pearson, Charles W. Drug Store Business Methods: A Text-book on Commercial Pharmacy. Lea & Febiger, 1926.
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