. (2009). Manual del índice de precios al productor. USA: International Monetary Fund. Retrieved May 11, 2023, from https://www.elibrary.imf.org/view/book/9781589063068/9781589063068.xml
. Manual del índice de precios al productor. USA: International Monetary Fund, 2009. < https://doi.org/10.5089/9781589063068.069>. Web. 11 May. 2023.
. Manual del índice de precios al productor, (USA: International Monetary Fund, 2009) accessed May 11, 2023, https://doi.org/10.5089/9781589063068.069
(2009). Manual del índice de precios al productor, USA: International Monetary Fund. available from: < https://doi.org/10.5089/9781589063068.069> [Accessed 11 May 2023]