APA

United States, . (1981). General maintenance handbook for airway facilities. [Washington, D.C: .

Chicago

United States, . 1981. General maintenance handbook for airway facilities. [Washington, D.C: .

Harvard

United States, . (1981). General maintenance handbook for airway facilities. [Washington, D.C: .

MLA

United States, . General maintenance handbook for airway facilities. [Washington, D.C: . 1981.