APA

United States, . (1991). Financial management: Air Force Systems Command is unaware of status of negative uniquidated [sic] obligations. [Washington, D.C: .

Chicago

United States, . 1991. Financial management: Air Force Systems Command is unaware of status of negative uniquidated [sic] obligations. [Washington, D.C: .

Harvard

United States, . (1991). Financial management: Air Force Systems Command is unaware of status of negative uniquidated [sic] obligations. [Washington, D.C: .

MLA

United States, . Financial management: Air Force Systems Command is unaware of status of negative uniquidated [sic] obligations. [Washington, D.C: . 1991.