Gaya APA
Manning,M.Eng,FICE,MConsE, W, B, A, G. (1973).
Concrete Water Towers Bunkers Silos & Other Elevated Structures (Edisi Kelima).
London:
Cement and Concrete Association.
Gaya MLA
Manning,M.Eng,FICE,MConsE, W.S.Gray, BA, And, G.P..
"Concrete Water Towers Bunkers Silos & Other Elevated Structures".
Edisi Kelima
London:
Cement and Concrete Association,
1973.
Text.