Gopi, S. (2009). Basic civil engineering. Pearson.
Čikaški stil citiranjaGopi, Satheesh. Basic Civil Engineering. Pearson, 2009.
MLA način citiranjaGopi, Satheesh. Basic Civil Engineering. Pearson, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.