Íõΰ. (2013). ¿´¶®ÊÀ½ç¸ñ¾ÖµÄµÚÒ»±¾Êé: First book of international powers and trends. ÉϺ£½»Í¨´óѧ³ö°æÉç.
Citación estilo ChicagoÍõΰ. ¿´¶®ÊÀ½ç¸ñ¾ÖµÄµÚÒ»±¾Êé: First Book of International Powers and Trends. ÉϺ£½»Í¨´óѧ³ö°æÉç, 2013.
Cita MLAÍõΰ. ¿´¶®ÊÀ½ç¸ñ¾ÖµÄµÚÒ»±¾Êé: First Book of International Powers and Trends. ÉϺ£½»Í¨´óѧ³ö°æÉç, 2013.
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