APA

United States, . (1982). Postal service needs stricter control over employee absences. [Washington, D.C: .

Chicago

United States, . 1982. Postal service needs stricter control over employee absences. [Washington, D.C: .

Harvard

United States, . (1982). Postal service needs stricter control over employee absences. [Washington, D.C: .

MLA

United States, . Postal service needs stricter control over employee absences. [Washington, D.C: . 1982.