Spence, W. P. (1991). Architecture: উবংরমহ ঙ্ ঊহমরহববৎরহম ঙ্ উৎধরিহম (6th ed.). Glencoe / McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Spence, William P. Architecture: উবংরমহ ঙ্ ঊহমরহববৎরহম ঙ্ উৎধরিহম. 6th ed. Peoria, IL: Glencoe / McGraw-Hill, 1991.
Citatione MLA (9a ed.)Spence, William P. Architecture: উবংরমহ ঙ্ ঊহমরহববৎরহম ঙ্ উৎধরিহম. 6th ed. Glencoe / McGraw-Hill, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.