«United Nations Handbook 2019–20»United Nations Handbook:: An Annual Guide for Those Working within the United Nations (Wellington: Ministry of Foreign Affairs and Trade of New Zealand): 293–294. 2019 ISSN0110-1951..
«United Nations Handbook 2019–20»United Nations Handbook:: An Annual Guide for Those Working within the United Nations (Wellington: Ministry of Foreign Affairs and Trade of New Zealand): 293–294. 2019 ISSN0110-1951..