APA

United States, . (1991). Financial audit: financial reporting and internal controls of the Air Force Systems Command. [Washington, D.C: .

Chicago

United States, . 1991. Financial audit: financial reporting and internal controls of the Air Force Systems Command. [Washington, D.C: .

Harvard

United States, . (1991). Financial audit: financial reporting and internal controls of the Air Force Systems Command. [Washington, D.C: .

MLA

United States, . Financial audit: financial reporting and internal controls of the Air Force Systems Command. [Washington, D.C: . 1991.