IFLA/UNESCO Pre-session Seminar in Leipzig, Patte, G., & Sigrún Klara Hannesdóttir. (1984). Library work for children and young adults in the developing countries: Proceedings of the IFLA/UNESCO Pre-session Seminar in Leipzig, GDR, 10-15 August, 1981. K.G. Saur.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিIFLA/UNESCO Pre-session Seminar in Leipzig, Geneviève Patte, এবং Sigrún Klara Hannesdóttir. Library Work for Children and Young Adults in the Developing Countries: Proceedings of the IFLA/UNESCO Pre-session Seminar in Leipzig, GDR, 10-15 August, 1981. München ; New York: K.G. Saur, 1984.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিIFLA/UNESCO Pre-session Seminar in Leipzig, et al. Library Work for Children and Young Adults in the Developing Countries: Proceedings of the IFLA/UNESCO Pre-session Seminar in Leipzig, GDR, 10-15 August, 1981. K.G. Saur, 1984.