APA

United States, . (1988). Federal employees: appointees converted to career ppositions, April through June 1988. [Washington, D.C: .

Chicago

United States, . 1988. Federal employees: appointees converted to career ppositions, April through June 1988. [Washington, D.C: .

Harvard

United States, . (1988). Federal employees: appointees converted to career ppositions, April through June 1988. [Washington, D.C: .

MLA

United States, . Federal employees: appointees converted to career ppositions, April through June 1988. [Washington, D.C: . 1988.