Citace podle APA

Roberts, B. (1993). Biological weapons: Weapons of the future? 1993. Centre for strategic and International Studies.

Styl Chicago

Roberts, Brad. Biological Weapons: Weapons of the Future? 1993. Washington: Centre for strategic and International Studies, 1993.

Citace podle MLA

Roberts, Brad. Biological Weapons: Weapons of the Future? 1993. Centre for strategic and International Studies, 1993.

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