Philadelphia. Public Buildings Commission. (1953). Report of space survey and recommendations. s. n.
Citazione stile Chigago Style (17a edizione)Philadelphia. Public Buildings Commission. Report of Space Survey and Recommendations. [Philadelphia]: s. n, 1953.
Citatione MLA (9a ed.)Philadelphia. Public Buildings Commission. Report of Space Survey and Recommendations. s. n, 1953.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.