Pfeiffer, B. B., & Nordland, G. (1988). Frank Lloyd Wright in the realm of ideas. Southern Illinois University.
Citazione stile Chigago Style (17a edizione)Pfeiffer, Bruce Brooks, e Gerald Nordland. Frank Lloyd Wright in the Realm of Ideas. Carbondale: Southern Illinois University, 1988.
Citatione MLA (9a ed.)Pfeiffer, Bruce Brooks, e Gerald Nordland. Frank Lloyd Wright in the Realm of Ideas. Southern Illinois University, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.