http://forum.europa.eu.int/irc/dsis/bmethods/info/data/new/embs/MM_Eurostat%202002-0507%20vo.2.pdf, accessed on 29 July 2003.
Methodology of Short-term Business Statistics: Interpretation and Guidelines, à consulter [en anglais] à l'adresse <http://forum.europa.eu.int/irc/dsis/bmethods/info/data/new/embs/MM_Eurostat%2 02002-0507%20vo.2.pdf>.