APA

United States, . (1981). Siting criteria for instrument landing systems. [Washington, D.C: .

Chicago

United States, . 1981. Siting criteria for instrument landing systems. [Washington, D.C: .

Harvard

United States, . (1981). Siting criteria for instrument landing systems. [Washington, D.C: .

MLA

United States, . Siting criteria for instrument landing systems. [Washington, D.C: . 1981.