Ball, M. (2011). European housing review 2011. Royal Institution of Chartered Surveyors.
Citazione stile Chigago Style (17a edizione)Ball, Michael. European Housing Review 2011. Bruselas, Bélgica: Royal Institution of Chartered Surveyors, 2011.
Citatione MLA (9a ed.)Ball, Michael. European Housing Review 2011. Royal Institution of Chartered Surveyors, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.