Valiani. The Future of Mining in South Africa: Sunset or Sunrise? The Mapungubwe Institute for Strategic Reflection (MISTRA).
芝加哥风格引文Valiani. The Future of Mining in South Africa: Sunset or Sunrise? The Mapungubwe Institute for Strategic Reflection (MISTRA).
MLA引文Valiani. The Future of Mining in South Africa: Sunset or Sunrise? The Mapungubwe Institute for Strategic Reflection (MISTRA).
警告：这些引文格式不一定是100％准确.