APA

United States, . (1987). U.S. government securities: expanding access to interdealer brokers' services. [Washington, D.C: .

Chicago

United States, . 1987. U.S. government securities: expanding access to interdealer brokers' services. [Washington, D.C: .

Harvard

United States, . (1987). U.S. government securities: expanding access to interdealer brokers' services. [Washington, D.C: .

MLA

United States, . U.S. government securities: expanding access to interdealer brokers' services. [Washington, D.C: . 1987.