(18 August 2008). Onderzoek naar ruimere afwerkplek, Algemeen Dagblad (in Dutch) (article states prostitutes are reporting that the stalls in the Utrecht facility are too small for some luxury cars and SUVs, as the facility has remained mostly unchanged since its construction in 1986)
Jordan, Ann; et al. (21 April 2005). "Letter to Ambassador John Miller"(PDF). Center for Health and Gender Equity. hlm. 4. Diarsipkan dari versi asli(PDF) tanggal 17 January 2009.
Jordan, Ann; et al. (21 April 2005). "Letter to Ambassador John Miller"(PDF). Center for Health and Gender Equity. hlm. 4. Diarsipkan dari versi asli(PDF) tanggal 17 January 2009.