分類に関して、Marrey, R. (2002) 'Seeking structure' How to write a thesis Maidenhead: open university press, pp.101-114. を参考にしています。
However, it would be superficial to study militarization only in terms of past military activity records, ...; this would lead to facile conclusions in terms of personnel, budget and arms control only. [Galtung, 1990, p.296]