APA引文

(2006). Is war necessary for economic growth? military procurement and technology development / Vernon W. Ruttan. [electronic resource].

Chicago Style (17th ed.) Citation

Is War Necessary for Economic Growth? Military Procurement and Technology Development / Vernon W. Ruttan. [electronic Resource]. 2006.

MLA引文

Is War Necessary for Economic Growth? Military Procurement and Technology Development / Vernon W. Ruttan. [electronic Resource]. 2006.

警告：這些引文格式不一定是100％准確.