Michael F., et al (2006). "Dual origins of the Japanese: common ground for hunter-gatherer and farmer Y chromosomes". Journal of Human Genetics 51 (1): 47–58...
(4 July 2013)။ Qatar: what's next for the world's most aggressive deal hunter?။ Financial Times။ 30 December 2013 တွင် ပြန်စစ်ပြီး။ Taxes on junk food...