APA

United States, . (1977). Medium intensity lighting system with runway alignment indicator lights. [Washington, D.C: .

Chicago

United States, . 1977. Medium intensity lighting system with runway alignment indicator lights. [Washington, D.C: .

Harvard

United States, . (1977). Medium intensity lighting system with runway alignment indicator lights. [Washington, D.C: .

MLA

United States, . Medium intensity lighting system with runway alignment indicator lights. [Washington, D.C: . 1977.