APA

,, . (2012). Report of working group I (Procurement) on the work of its twenty-first session. New York: United Nations General Assembly.

Chicago

,, . 2012. Report of working group I (Procurement) on the work of its twenty-first session. New York: United Nations General Assembly.

Harvard

,, . (2012). Report of working group I (Procurement) on the work of its twenty-first session. New York: United Nations General Assembly.

MLA

,, . Report of working group I (Procurement) on the work of its twenty-first session. New York: United Nations General Assembly. 2012.