Central Building Research Institute. Annual report 1956-57. Central Building Research Institute.
Citazione stile Chigago Style (17a edizione)Central Building Research Institute. Annual Report 1956-57. Roorkee: Central Building Research Institute.
Citatione MLA (9a ed.)Central Building Research Institute. Annual Report 1956-57. Central Building Research Institute.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.