Grootjans, L. (2007). Board of Control: Loek Grootjans (selected Google Version). GP uitgevers.
Citazione stile Chigago Style (17a edizione)Grootjans, Loek. Board of Control: Loek Grootjans (selected Google Version). GP uitgevers, 2007.
Citatione MLA (8a ed.)Grootjans, Loek. Board of Control: Loek Grootjans (selected Google Version). GP uitgevers, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.