APA Style

Studies., T, I, I, F, S. (2021). The military balance 2021 : the annual assessment of global military capabilities and defence economics / International Institute for Strategic Studies (1). London: Routledge for The International Institute for Strategic Studies.

MLA Style

Studies., The, International, Institute, For, Strategic. "The military balance 2021 : the annual assessment of global military capabilities and defence economics / International Institute for Strategic Studies". 1 London: Routledge for The International Institute for Strategic Studies, 2021. หนังสือ (Book).