. (2011). " 11. STRUCTURAL DESIGNS". In Stylish Academic Writing. Cambridge (MA): Harvard University Press. doi: https://doi.org/10.4159/harvard.9780674065093.c11
. " 11. STRUCTURAL DESIGNS". Stylish Academic Writing. Cambridge (MA): Harvard University Press, 2011. https://doi.org/10.4159/harvard.9780674065093.c11 Web.
. " 11. STRUCTURAL DESIGNS". In Stylish Academic Writing, (Cambridge (MA): Harvard University Press, 2011) doi: https://doi.org/10.4159/harvard.9780674065093.c11
(2011). 11. STRUCTURAL DESIGNS. In Stylish Academic Writing, Cambridge (MA): Harvard University Press. Available From: Harvard University Press https://doi.org/10.4159/harvard.9780674065093.c11 [Accessed 27 January 2021]