Cressey, D. Cash injection set to revive Swiss drug sites. Nature Publishing Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCressey, Daniel. Cash Injection Set to Revive Swiss Drug Sites. London: Nature Publishing Group.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCressey, Daniel. Cash Injection Set to Revive Swiss Drug Sites. Nature Publishing Group.
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