APA

United States, . (1978). Listing of FAA certified parachute lofts. [Washington, D.C: .

Chicago

United States, . 1978. Listing of FAA certified parachute lofts. [Washington, D.C: .

Harvard

United States, . (1978). Listing of FAA certified parachute lofts. [Washington, D.C: .

MLA

United States, . Listing of FAA certified parachute lofts. [Washington, D.C: . 1978.