APA
Interregional Seminar on the Manufacture and Utilization of Portland Cement, Interregional Seminar on the Manufacture and Utilization of Portland Cement, . (1972). Report. New: York United Nations U. S. A.
Chicago
Interregional Seminar on the Manufacture and Utilization of Portland Cement, Interregional Seminar on the Manufacture and Utilization of Portland Cement, . 1972. Report. New: York United Nations U. S. A.
Harvard
Interregional Seminar on the Manufacture and Utilization of Portland Cement, Interregional Seminar on the Manufacture and Utilization of Portland Cement, . (1972). Report. New: York United Nations U. S. A.
MLA
Interregional Seminar on the Manufacture and Utilization of Portland Cement, Interregional Seminar on the Manufacture and Utilization of Portland Cement, . Report. New: York United Nations U. S. A. 1972.
