JOHNSON, R. (1995). Ralph Johnson of Perkins and will: Building and projects. Rizzoli International Pub.
Citazione stile Chigago Style (17a edizione)JOHNSON, Ralph. Ralph Johnson of Perkins and Will: Building and Projects. New York: Rizzoli International Pub, 1995.
Citatione MLA (9a ed.)JOHNSON, Ralph. Ralph Johnson of Perkins and Will: Building and Projects. Rizzoli International Pub, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.