European Direct Selling Association (SELDIA): www.seldia.eu
– Direct Selling in Europe – retail sales in 2020
– Direct Selling in Europe – retail sales in 2019
World Federation of Direct Selling Associations (WFDSA): www.wfdsa.org
– Global Direct Selling – retail sales in 2013
– Global Direct Selling – data from 2011
– Global Direct Selling – retail sales in 2011
