Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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