APA
Williams D., . (1960). An introduction to the theory of aircraft structures. London: Edward Arnold Ltd.
Chicago
Williams D, . 1960. An introduction to the theory of aircraft structures. London: Edward Arnold Ltd.
Harvard
Williams D., . (1960). An introduction to the theory of aircraft structures. London: Edward Arnold Ltd.
MLA
Williams D, . An introduction to the theory of aircraft structures. London: Edward Arnold Ltd. 1960.