MDF Training & Consultancy, Spaans, H., Haagsma, R., & Snelder, H. (2010). MDF brochure 2011. MDF.
Chicago-čujuhus (17. p.)MDF Training & Consultancy, Hanneke Spaans, Reinanke Haagsma, juo Herman Snelder. MDF Brochure 2011. Netherlands: MDF, 2010.
MLA-čujuhus (9. p.)MDF Training & Consultancy, et al. MDF Brochure 2011. MDF, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.