APA (7 वां संस्करण) प्रशस्ति पत्र
LAURSEN, L. (1997). DENMARK AND THE NORDIC UNION: REGIONAL PRESSURES IN POLICY DEVELOPMENT. EN: EUROPEAN DRUG POLICIES AND ENFORCEMENT. MACMILLAN.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
LAURSEN, L. DENMARK AND THE NORDIC UNION: REGIONAL PRESSURES IN POLICY DEVELOPMENT. EN: EUROPEAN DRUG POLICIES AND ENFORCEMENT. Londres: MACMILLAN, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
LAURSEN, L. DENMARK AND THE NORDIC UNION: REGIONAL PRESSURES IN POLICY DEVELOPMENT. EN: EUROPEAN DRUG POLICIES AND ENFORCEMENT. MACMILLAN, 1997.
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