Silver, M. S. (2009). An index number formula problem: The aggregation of broadly comparable items. International Monetary Fund.
芝加哥风格引文Silver, M. S. An Index Number Formula Problem: The Aggregation of Broadly Comparable Items. [Washington D.C.]: International Monetary Fund, 2009.
MLA引文Silver, M. S. An Index Number Formula Problem: The Aggregation of Broadly Comparable Items. International Monetary Fund, 2009.
警告：这些引文格式不一定是100％准确.