略称:NIC)や戦略国際問題研究所(Center for Strategic and International Studies, 略称:CSIS )、イギリスの国際戦略研究所(International Institute for StrategicStudies,略称:IISS)、スウェーデンのストックホルム国際平和研究所(Stockholm
International Institute for StrategicStudies (IISS) (2023/2/15). The Military Balance 2023: The International Institute for StrategicStudies. Routledge. pp. 287-288
International Institute for StrategicStudies (IISS) (2023-02-15). The Military Balance 2023: The International Institute for StrategicStudies. Routledge. pp. 77-78
International Institute for StrategicStudies (IISS) (2023/2/15). The Military Balance 2023: The International Institute for StrategicStudies. Routledge. pp. 482-483