Socialforskningsinstituttet (Denmark) & Ploug, N. (1995). Welfare, development, and security: Three Danish essays. Danish National Institute of Social Research : Centre for Development Research : Danish Commission on Security and Disarmament : Wholesale for booksellers, Gyldendal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSocialforskningsinstituttet (Denmark) और Niels Ploug. Welfare, Development, and Security: Three Danish Essays. Copenhagen, Denmark: Danish National Institute of Social Research : Centre for Development Research : Danish Commission on Security and Disarmament : Wholesale for booksellers, Gyldendal, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSocialforskningsinstituttet (Denmark) और Niels Ploug. Welfare, Development, and Security: Three Danish Essays. Danish National Institute of Social Research : Centre for Development Research : Danish Commission on Security and Disarmament : Wholesale for booksellers, Gyldendal, 1995.