Gaya APA

Gray, W, S., Manning, G, P. (1973). Concrete Water Towers Bunkers Silos & Other Elevated Structures (5). London: Cement And Concrete.

Gaya MLA

Gray, W., S.., Manning, G., P.. "Concrete Water Towers Bunkers Silos & Other Elevated Structures". 5 London: Cement And Concrete, 1973. Text.