Gaya APA
Manning, W, G, ;, G. (1973).
Concrete water towers, bunkers, silos & other elevated structures (ed. 5).
London:
cement and concrete Association.
Gaya MLA
Manning, W.S., Gray, ;, G.P..
"Concrete water towers, bunkers, silos & other elevated structures".
ed. 5
London:
cement and concrete Association,
1973.
Text.