APA

United States, . (1975). Flight test guide: commercial pilot airplane. [Washington, D.C: .

Chicago

United States, . 1975. Flight test guide: commercial pilot airplane. [Washington, D.C: .

Harvard

United States, . (1975). Flight test guide: commercial pilot airplane. [Washington, D.C: .

MLA

United States, . Flight test guide: commercial pilot airplane. [Washington, D.C: . 1975.