Atkins, G. P. (1977). Mutual security in the changing inter-American system: An appraisal of OAS charter and Rio Treaty revisions. Strategic Studies Institute, US Army War College.

Atkins, G. Pope. Mutual Security in the Changing Inter-American System: An Appraisal of OAS Charter and Rio Treaty Revisions. Carlisle Barracks, Pa.: Strategic Studies Institute, US Army War College, 1977.

Atkins, G. Pope. Mutual Security in the Changing Inter-American System: An Appraisal of OAS Charter and Rio Treaty Revisions. Strategic Studies Institute, US Army War College, 1977.