Anglia
https://www.anglia.org/franchise/Letterheads%20and%20Logos/CEFR%20Logo.pdf
https://www.anglia.org/franchise/Letterheads%20and%20Logos/CEFR%20Logo.pdf
ETS Global BV – TOEIC Speaking & Writing
https://www.etsglobal.org/Global/Eng/content/download/825/12605/version/4/file/TOEIC+Speaking+and+Writing+Descriptor+-+MAR090-LR.pdf
ETS Global BV – TOEIC Listening & Reading
https://www.etsglobal.org/Global/Eng/content/download/768/12037/version/8/file/TOEIC+L%26R+Descriptors-MAR089-LR.pdf
Dutch Courses
http://www.erk.nl/leerling/watiserk/