World Health Organization. Regional Office for Europe Conference:European Seminar on Veterinary Public Health, Warsaw, 1957. (1960). Veterinary public health: Papers presented at a seminar sponsored by the Regional Office for Europe of the World Health Organization, Warsaw, 25 November-4 December 1957. s.n.
Cytowanie według stylu Chicago (wyd. 17)World Health Organization. Regional Office for Europe Conference:European Seminar on Veterinary Public Health, Warsaw, 1957. Veterinary Public Health: Papers Presented at a Seminar Sponsored by the Regional Office for Europe of the World Health Organization, Warsaw, 25 November-4 December 1957. Copenhagen: s.n, 1960.
Cytowanie według stylu MLA (wyd. 9)World Health Organization. Regional Office for Europe Conference:European Seminar on Veterinary Public Health, Warsaw, 1957. Veterinary Public Health: Papers Presented at a Seminar Sponsored by the Regional Office for Europe of the World Health Organization, Warsaw, 25 November-4 December 1957. s.n, 1960.