APA

United States, . (1987). Inspection authorization study guide. [Washington, D.C: .

Chicago

United States, . 1987. Inspection authorization study guide. [Washington, D.C: .

Harvard

United States, . (1987). Inspection authorization study guide. [Washington, D.C: .

MLA

United States, . Inspection authorization study guide. [Washington, D.C: . 1987.