APA

United Nations Institute for Training and Research, . (1987). Directory on European training institutions in the fields of bilateral and multilateral diplomacy, public administration and management, economic and social development. New York: United Nations Institute for Training and Research.

Chicago

United Nations Institute for Training and Research, . 1987. Directory on European training institutions in the fields of bilateral and multilateral diplomacy, public administration and management, economic and social development. New York: United Nations Institute for Training and Research.

Harvard

United Nations Institute for Training and Research, . (1987). Directory on European training institutions in the fields of bilateral and multilateral diplomacy, public administration and management, economic and social development. New York: United Nations Institute for Training and Research.

MLA

United Nations Institute for Training and Research, . Directory on European training institutions in the fields of bilateral and multilateral diplomacy, public administration and management, economic and social development. New York: United Nations Institute for Training and Research. 1987.