APA (7e ed.) Bronvermelding

Fox, J. G. (1961). Some selected problems of aerospace--political, military, and economic.

Chicago (17e ed.) Bronvermelding

Fox, Julius George. Some Selected Problems of Aerospace--political, Military, and Economic. 1961.

MLA (9e ed.) Bronvermelding

Fox, Julius George. Some Selected Problems of Aerospace--political, Military, and Economic. 1961.

Let op: Deze citaties zijn niet altijd 100% accuraat.