Gaya APA
Ferguson, P, M., Cowan, H, J. (1958).
Reinforced Concrete Fundamentals si Version (4).
Canada:
John Wiley & Sons.
Gaya MLA
Ferguson, Phil, M.., Cowan, Henry, J..
"Reinforced Concrete Fundamentals si Version".
4
Canada:
John Wiley & Sons,
1958.
Text.