APA
War Office. Survey Directorate. GHQ Middle East, . (1942). The stereo comparator. Part 1 Description and adjustment. Cairo: .
Chicago
War Office. Survey Directorate. GHQ Middle East, . 1942. The stereo comparator. Part 1 Description and adjustment. Cairo: .
Harvard
War Office. Survey Directorate. GHQ Middle East, . (1942). The stereo comparator. Part 1 Description and adjustment. Cairo: .
MLA
War Office. Survey Directorate. GHQ Middle East, . The stereo comparator. Part 1 Description and adjustment. Cairo: . 1942.