"Unternehmen" (in German). claro fair trade. Archived from the original on 2015-01-19. Retrieved 2015-01-19.
Simon Kehrli and Yasotha Sivarajah (2014-08-18). "Geschäftsbericht 2013/14"(PDF) (in German). claro fair trade. Archived from the original(PDF) on 2015-01-19. Retrieved 2015-01-19.
"Unternehmen" (in German). claro fair trade. Archived from the original on 2015-01-19. Retrieved 2015-01-19.
Simon Kehrli and Yasotha Sivarajah (2014-08-18). "Geschäftsbericht 2013/14"(PDF) (in German). claro fair trade. Archived from the original(PDF) on 2015-01-19. Retrieved 2015-01-19.