Roelvink. Building Dignified Worlds. University of Minnesota Press.
Citazione stile Chigago Style (17a edizione)Roelvink. Building Dignified Worlds. University of Minnesota Press.
Citatione MLA (9a ed.)Roelvink. Building Dignified Worlds. University of Minnesota Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.